diff --git a/pom.xml b/pom.xml
index bafa246..8a5e3f4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
     <groupId>com.stepstone.sonar.plugin</groupId>
     <artifactId>sonar-coldfusion-plugin</artifactId>
     <packaging>sonar-plugin</packaging>
-    <version>1.6.5-SNAPSHOT</version>
+    <version>1.6.6-SNAPSHOT</version>
 
     <name>SonarQube Coldfusion Analyzer</name>
     <description>Enables scanning of ColdFusion source files</description>
@@ -39,7 +39,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
-        <sonar.version>6.7.5</sonar.version>
+        <sonar.version>6.7.6</sonar.version>
         <cflint.version>1.2.3</cflint.version>
     </properties>
 
diff --git a/src/main/java/com/stepstone/sonar/plugin/coldfusion/ColdFusionPlugin.java b/src/main/java/com/stepstone/sonar/plugin/coldfusion/ColdFusionPlugin.java
index 01b6637..c52821d 100644
--- a/src/main/java/com/stepstone/sonar/plugin/coldfusion/ColdFusionPlugin.java
+++ b/src/main/java/com/stepstone/sonar/plugin/coldfusion/ColdFusionPlugin.java
@@ -30,6 +30,7 @@
                 name = "File suffixes",
                 description = "Comma-separated list of suffixes of files to analyze.",
                 project = true,
+                multiValues = true,
                 global = true
         ),
         @Property(
diff --git a/src/main/java/com/stepstone/sonar/plugin/coldfusion/ColdFusionSensor.java b/src/main/java/com/stepstone/sonar/plugin/coldfusion/ColdFusionSensor.java
index 78e325c..c6759e5 100644
--- a/src/main/java/com/stepstone/sonar/plugin/coldfusion/ColdFusionSensor.java
+++ b/src/main/java/com/stepstone/sonar/plugin/coldfusion/ColdFusionSensor.java
@@ -31,6 +31,7 @@
 import javax.xml.stream.XMLStreamException;
 import java.io.File;
 import java.io.IOException;
+import java.nio.file.Files;
 
 public class ColdFusionSensor implements Sensor {
 
@@ -63,21 +64,32 @@ public void execute(SensorContext context) {
         }
     }
 
-    protected void analyze(SensorContext context) throws IOException, XMLStreamException {
-        new CFLintAnalyzer(context).analyze(generateCflintConfig());
+    private void analyze(SensorContext context) throws IOException, XMLStreamException {
+        File configFile = generateCflintConfig();
+        new CFLintAnalyzer(context).analyze(configFile);
+        //when analysis is done we delete the created file
+        deleteFile(configFile);
     }
 
-    protected File generateCflintConfig() throws IOException, XMLStreamException {
+    private File generateCflintConfig() throws IOException, XMLStreamException {
         final File configFile = new File(fs.workDir(), "cflint-config.xml");
         new CFlintConfigExporter(ruleProfile).save(configFile);
         return configFile;
     }
 
-    protected void importResults(SensorContext sensorContext) {
+    private void deleteFile(File configFile) throws IOException {
+        if(configFile!= null){
+           Files.deleteIfExists(configFile.toPath());
+        }
+    }
+
+    private void importResults(SensorContext sensorContext) throws IOException {
         try {
             new CFlintAnalysisResultImporter(fs, sensorContext).parse(new File(fs.workDir(), "cflint-result.xml"));
-        } catch (IOException | XMLStreamException e) {
+        } catch (XMLStreamException e) {
             LOGGER.error(",e");
+        } finally {
+            deleteFile(new File(fs.workDir(), "cflint-result.xml"));
         }
     }
 
diff --git a/src/main/java/com/stepstone/sonar/plugin/coldfusion/cflint/CFlintConfigExporter.java b/src/main/java/com/stepstone/sonar/plugin/coldfusion/cflint/CFlintConfigExporter.java
index 0129e62..270ace3 100644
--- a/src/main/java/com/stepstone/sonar/plugin/coldfusion/cflint/CFlintConfigExporter.java
+++ b/src/main/java/com/stepstone/sonar/plugin/coldfusion/cflint/CFlintConfigExporter.java
@@ -50,19 +50,26 @@ public void save(File configFile) throws IOException, XMLStreamException {
 
     public void save(Writer writer) throws IOException, XMLStreamException {
         final XMLOutputFactory xmlOutputFactory = XMLOutputFactory.newInstance();
-        XMLStreamWriter xtw = xmlOutputFactory.createXMLStreamWriter(writer);
+        XMLStreamWriter xtw=null;
+        try {
+            xtw = xmlOutputFactory.createXMLStreamWriter(writer);
 
-        xtw.writeStartDocument();
-        xtw.writeStartElement("config");
+            xtw.writeStartDocument();
+            xtw.writeStartElement("config");
+
+            for (ActiveRule activeRule : ruleProfile.getActiveRulesByRepository(repositoryKey)) {
+                xtw.writeStartElement("includes");
+                xtw.writeAttribute("code", activeRule.getRuleKey());
+                xtw.writeEndElement();
+            }
 
-        for (ActiveRule activeRule : ruleProfile.getActiveRulesByRepository(repositoryKey)) {
-            xtw.writeStartElement("includes");
-            xtw.writeAttribute("code", activeRule.getRuleKey());
             xtw.writeEndElement();
+            xtw.writeEndDocument();
+        } finally {
+            if(xtw!=null) {
+                xtw.close();
+            }
         }
 
-        xtw.writeEndElement();
-        xtw.writeEndDocument();
-        xtw.close();
     }
 }