diff --git a/computation-slurm-test/src/test/java/com/powsybl/computation/slurm/SlurmNormalExecutionTest.java b/computation-slurm-test/src/test/java/com/powsybl/computation/slurm/SlurmNormalExecutionTest.java
index dec17fc..a15ee1b 100644
--- a/computation-slurm-test/src/test/java/com/powsybl/computation/slurm/SlurmNormalExecutionTest.java
+++ b/computation-slurm-test/src/test/java/com/powsybl/computation/slurm/SlurmNormalExecutionTest.java
@@ -120,6 +120,31 @@ public String after(Path workingDir, ExecutionReport report) throws IOException
         baseTest(supplier);
     }
 
+    @Test
+    public void testFilesWithSpaces() {
+        Supplier<AbstractExecutionHandler<String>> supplier = () -> new AbstractExecutionHandler<String>() {
+            @Override
+            public List<CommandExecution> before(Path workingDir) {
+                generateZipFileOnRemote("in 0", workingDir.resolve("in 0.zip"));
+                generateZipFileOnRemote("in 1", workingDir.resolve("in 1.zip"));
+                generateZipFileOnRemote("in 2", workingDir.resolve("in 2.zip"));
+                return CommandExecutionsTestFactory.testFilesWithSpaces(3);
+            }
+
+            @Override
+            public String after(Path workingDir, ExecutionReport report) throws IOException {
+                super.after(workingDir, report);
+                Path out2 = workingDir.resolve("out 2.gz");
+                System.out.println("out 2.gz should exists, actual exists:" + Files.exists(out2));
+                if (Files.exists(out2)) {
+                    return "OK";
+                }
+                return "KO";
+            }
+        };
+        baseTest(supplier);
+    }
+
     @Test
     public void testGroupCmd() {
         Supplier<AbstractExecutionHandler<String>> supplier = () -> new AbstractReturnOKExecutionHandler() {
diff --git a/computation-slurm/src/main/java/com/powsybl/computation/slurm/SbatchScriptGenerator.java b/computation-slurm/src/main/java/com/powsybl/computation/slurm/SbatchScriptGenerator.java
index 8549108..edca4d9 100644
--- a/computation-slurm/src/main/java/com/powsybl/computation/slurm/SbatchScriptGenerator.java
+++ b/computation-slurm/src/main/java/com/powsybl/computation/slurm/SbatchScriptGenerator.java
@@ -14,6 +14,7 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
+import java.util.function.Function;
 
 /**
  * Generates the content of the sbatch script, to be submitted using and {@link SbatchCmd}.
@@ -42,6 +43,9 @@ class SbatchScriptGenerator {
     private static final String PRE_FILE = "PRE";
     private static final String POST_FILE = "POST";
 
+    private static final Function<String, String> WRAP_FILENAME = str -> "'" + str + "'";
+    private static final Function<String, String> VAR2ARG = str -> "\"$" + str + "\"";
+
     private final Path flagDir;
 
     SbatchScriptGenerator(Path flagDir) {
@@ -54,7 +58,7 @@ List<String> unzipCommonInputFiles(Command command) {
         command.getInputFiles()
                 .stream().filter(inputFile -> !inputFile.dependsOnExecutionNumber()) // common
                 .filter(inputFile -> inputFile.getPreProcessor() != null) // to unzip
-                .forEach(inputFile -> addUnzip(shell, inputFile.getName(0), inputFile.getPreProcessor()));
+                .forEach(inputFile -> addUnzipFilename(shell, inputFile.getName(0), inputFile.getPreProcessor()));
         return shell;
     }
 
@@ -99,7 +103,7 @@ List<String> parser(CommandExecution commandExecution, Path workingDir, Map<Stri
     private void preProcess(List<String> list, Command command, int executionIndex) {
         command.getInputFiles().stream()
                 .filter(InputFile::dependsOnExecutionNumber)
-                .forEach(file -> addUnzip(list, file.getName(executionIndex), file.getPreProcessor()));
+                .forEach(file -> addUnzipFilename(list, file.getName(executionIndex), file.getPreProcessor()));
     }
 
     private void preProcess(List<String> shell, Command command) {
@@ -110,19 +114,29 @@ private void preProcess(List<String> shell, Command command) {
                 // skip because this file is already unzip in a previous batch
                 continue;
             }
-            addUnzip(shell, "$" + PRE_FILE + i, inputFile.getPreProcessor());
+            addUnzipVariable(shell, PRE_FILE + i, inputFile.getPreProcessor());
         }
     }
 
-    private static void addUnzip(List<String> shell, String filename, FilePreProcessor preProcessor) {
+    // used in batch mode
+    private static void addUnzipFilename(List<String> shell, String filename, FilePreProcessor preProcessor) {
+        addUnzipCmd(shell, WRAP_FILENAME.apply(filename), preProcessor);
+    }
+
+    // used in array mode
+    private static void addUnzipVariable(List<String> shell, String variableName, FilePreProcessor preProcessor) {
+        addUnzipCmd(shell, VAR2ARG.apply(variableName), preProcessor);
+    }
+
+    private static void addUnzipCmd(List<String> shell, String unzipArg, FilePreProcessor preProcessor) {
         switch (preProcessor) {
             case FILE_GUNZIP:
                 // gunzip the file
-                shell.add(SH_GUNZIP + filename);
+                shell.add(SH_GUNZIP + unzipArg);
                 break;
             case ARCHIVE_UNZIP:
                 // extract the archive
-                shell.add(SH_UNZIP + filename);
+                shell.add(SH_UNZIP + unzipArg);
                 break;
             default:
                 throw new AssertionError("Unexpected FilePreProcessor value: " + preProcessor);
@@ -171,7 +185,7 @@ private void postProcess(List<String> list, Command command, int executionIndex)
             fileName = file.getName(executionIndex);
             if (postProcessor != null) {
                 if (postProcessor == FilePostProcessor.FILE_GZIP) {
-                    list.add(SH_GZIP + fileName);
+                    list.add(SH_GZIP + WRAP_FILENAME.apply(fileName));
                 } else {
                     throw new AssertionError("Unexpected postProcessor type value: " + postProcessor);
                 }
@@ -184,15 +198,15 @@ private void postProcess(List<String> shell, Command command) {
         for (int i = 0; i < outputFiles.size(); i++) {
             OutputFile outputFile = outputFiles.get(i);
             FilePostProcessor postProcessor = outputFile.getPostProcessor();
-            addGzip(shell, "$" + POST_FILE + i, postProcessor);
+            addGzipVariable(shell, POST_FILE + i, postProcessor);
             // TODO add touch my error for gzip command??
         }
     }
 
-    private static void addGzip(List<String> shell, String fileName, FilePostProcessor postProcessor) {
+    private static void addGzipVariable(List<String> shell, String variableName, FilePostProcessor postProcessor) {
         if (postProcessor != null) {
             if (postProcessor == FilePostProcessor.FILE_GZIP) {
-                shell.add(SH_GZIP + fileName);
+                shell.add(SH_GZIP + VAR2ARG.apply(variableName));
             } else {
                 throw new AssertionError("Unexpected postProcessor type value: " + postProcessor);
             }
@@ -248,7 +262,7 @@ private void addInputFilenames(List<String> shell, int caseIdx, Command command)
                 // skip because this file is already unzip in a previous batch
                 continue;
             }
-            ins.add(PRE_FILE + i + "=" + inputFile.getName(caseIdx));
+            ins.add(PRE_FILE + i + "=" + WRAP_FILENAME.apply(inputFile.getName(caseIdx)));
         }
         if (ins.isEmpty()) {
             return;
@@ -264,7 +278,7 @@ private void addOutputFilenames(List<String> shell, int caseIdx, Command command
             if (!outputFile.dependsOnExecutionNumber() || outputFile.getPostProcessor() == null) {
                 continue;
             }
-            outs.add(POST_FILE + i + "=" + outputFile.getName(caseIdx));
+            outs.add(POST_FILE + i + "=" + WRAP_FILENAME.apply(outputFile.getName(caseIdx)));
         }
         if (outs.isEmpty()) {
             return;
diff --git a/computation-slurm/src/test/java/com/powsybl/computation/slurm/CommandExecutionsTestFactory.java b/computation-slurm/src/test/java/com/powsybl/computation/slurm/CommandExecutionsTestFactory.java
index 7a65006..68bd3a2 100644
--- a/computation-slurm/src/test/java/com/powsybl/computation/slurm/CommandExecutionsTestFactory.java
+++ b/computation-slurm/src/test/java/com/powsybl/computation/slurm/CommandExecutionsTestFactory.java
@@ -69,6 +69,18 @@ static List<CommandExecution> myEchoSimpleCmdWithUnzipZip(int executionCount) {
         return Collections.singletonList(commandExecution);
     }
 
+    static List<CommandExecution> testFilesWithSpaces(int executionCount) {
+        Command command = new SimpleCommandBuilder()
+                .id("rename")
+                .program("mv")
+                .inputFiles(new InputFile(integer -> "in " + integer + ".zip", FilePreProcessor.ARCHIVE_UNZIP))
+                .outputFiles(new OutputFile(integer -> "out " + integer, FilePostProcessor.FILE_GZIP))
+                .args(i -> Arrays.asList("in " + i, "out " + i))
+                .build();
+        CommandExecution commandExecution = new CommandExecution(command, executionCount);
+        return Collections.singletonList(commandExecution);
+    }
+
     static List<CommandExecution> commandFiles(int executionCount) {
         InputFile stringInput = new InputFile("foo.zip", FilePreProcessor.ARCHIVE_UNZIP);
         InputFile functionsInput = new InputFile(integer -> "in" + integer + ".zip", FilePreProcessor.ARCHIVE_UNZIP);
diff --git a/computation-slurm/src/test/java/com/powsybl/computation/slurm/SbatchScriptGeneratorTest.java b/computation-slurm/src/test/java/com/powsybl/computation/slurm/SbatchScriptGeneratorTest.java
index 49705d4..15db1f1 100644
--- a/computation-slurm/src/test/java/com/powsybl/computation/slurm/SbatchScriptGeneratorTest.java
+++ b/computation-slurm/src/test/java/com/powsybl/computation/slurm/SbatchScriptGeneratorTest.java
@@ -114,10 +114,10 @@ public void testMyEchoSimpleCmd() {
         Command command = commandExecution.getCommand();
         List<String> shell = new SbatchScriptGenerator(flagPath).parser(command, 0, workingPath, Collections.emptyMap());
         assertEquals(ImmutableList.of("#!/bin/sh",
-                "unzip -o -q in0.zip",
+                "unzip -o -q 'in0.zip'",
                 "/home/dev-itesla/myapps/myecho.sh \"in0\" \"out0\"",
                 "rc=$?; if [[ $rc != 0 ]]; then touch /tmp/flags/myerror_workingPath_12345_$SLURM_JOBID; exit $rc; fi",
-                "gzip out0",
+                "gzip 'out0'",
                 "touch /tmp/flags/mydone_workingPath_12345_$SLURM_JOBID"), shell);
 
         assertCommandExecutionToShell(commandExecutions.get(0), "myEchoSimpleCmdWithUnzipZip.batch");
@@ -134,10 +134,10 @@ public void testCommandFiles() {
     private static List<String> expectedTestCommandFilesBatch() {
         List<String> shell = new ArrayList<>();
         shell.add("#!/bin/sh");
-        shell.add("unzip -o -q in2.zip");
+        shell.add("unzip -o -q 'in2.zip'");
         shell.add("/home/dev-itesla/myapps/myecho.sh \"in2\" \"out2\"");
         shell.add("rc=$?; if [[ $rc != 0 ]]; then touch /tmp/flags/myerror_workingPath_12345_$SLURM_JOBID; exit $rc; fi");
-        shell.add("gzip tozip2");
+        shell.add("gzip 'tozip2'");
         shell.add("touch /tmp/flags/mydone_workingPath_12345_$SLURM_JOBID");
         return shell;
     }
@@ -153,7 +153,7 @@ public void testOnlyUnzipBatch() {
     private static List<String> expectedtestOnlyUnzipBatch() {
         List<String> shell = new ArrayList<>();
         shell.add("#!/bin/sh");
-        shell.add("unzip -o -q foo.zip");
+        shell.add("unzip -o -q 'foo.zip'");
         return shell;
     }
 
diff --git a/computation-slurm/src/test/resources/expectedShell/myEchoSimpleCmdWithUnzipZip.batch b/computation-slurm/src/test/resources/expectedShell/myEchoSimpleCmdWithUnzipZip.batch
index 15b7b58..890e23a 100644
--- a/computation-slurm/src/test/resources/expectedShell/myEchoSimpleCmdWithUnzipZip.batch
+++ b/computation-slurm/src/test/resources/expectedShell/myEchoSimpleCmdWithUnzipZip.batch
@@ -1,22 +1,22 @@
 #!/bin/sh
 case $SLURM_ARRAY_TASK_ID in
     0)
-      PRE0=in0.zip
-      POST0=out0
+      PRE0='in0.zip'
+      POST0='out0'
       ARGS=("in0" "out0")
     ;;
     1)
-      PRE0=in1.zip
-      POST0=out1
+      PRE0='in1.zip'
+      POST0='out1'
       ARGS=("in1" "out1")
     ;;
     2)
-      PRE0=in2.zip
-      POST0=out2
+      PRE0='in2.zip'
+      POST0='out2'
       ARGS=("in2" "out2")
     ;;
 esac
-unzip -o -q $PRE0
+unzip -o -q "$PRE0"
 /home/dev-itesla/myapps/myecho.sh "${ARGS[@]}"
 rc=$?; if [[ $rc != 0 ]]; then touch /tmp/flags/myerror_workingPath_12345_$SLURM_ARRAY_JOB_ID-$SLURM_ARRAY_TASK_ID; exit $rc; fi
-gzip $POST0
+gzip "$POST0"