diff --git a/test_runner/src/main/kotlin/ftl/ios/xctest/common/ParseSwiftTests.kt b/test_runner/src/main/kotlin/ftl/ios/xctest/common/ParseSwiftTests.kt
index 6bd32e4114..3f979cb9ad 100644
--- a/test_runner/src/main/kotlin/ftl/ios/xctest/common/ParseSwiftTests.kt
+++ b/test_runner/src/main/kotlin/ftl/ios/xctest/common/ParseSwiftTests.kt
@@ -5,6 +5,7 @@ import flank.common.isLinux
 import flank.common.isMacOS
 import flank.common.isWindows
 import ftl.util.Bash
+import ftl.util.ShellEnvironment
 
 internal fun parseSwiftTests(binary: String): List<String> {
     installBinaries
@@ -28,7 +29,9 @@ internal fun parseSwiftTests(binary: String): List<String> {
     } else emptyList()
 
     // https://github.com/linkedin/bluepill/blob/37e7efa42472222b81adaa0e88f2bd82aa289b44/Source/Shared/BPXCTestFile.m#L17-18
-    val demangledOutput = Bash.execute(cmd, path)
+    val shell = if (isWindows) ShellEnvironment.Cmd else ShellEnvironment.Default
+
+    val demangledOutput = Bash.execute(cmd, path, shell)
     demangledOutput.lines().forEach { line ->
         // _T025EarlGreyExampleTestsSwift0abceD0C10testLayoutyyF ---> EarlGreyExampleTestsSwift.EarlGreyExampleSwiftTests.testLayout() -> ()
         // _T025EarlGreyExampleTestsSwift0abceD0C16testCustomActionyyF ---> EarlGreyExampleTestsSwift.EarlGreyExampleSwiftTests.testCustomAction() -> ()
diff --git a/test_runner/src/main/kotlin/ftl/util/Bash.kt b/test_runner/src/main/kotlin/ftl/util/Bash.kt
index d6ab67a0a2..2cfec82081 100644
--- a/test_runner/src/main/kotlin/ftl/util/Bash.kt
+++ b/test_runner/src/main/kotlin/ftl/util/Bash.kt
@@ -6,13 +6,13 @@ import ftl.run.exception.FlankGeneralError
 import java.lang.ProcessBuilder.Redirect.PIPE
 
 object Bash {
-
-    fun execute(cmd: String, additionalPath: List<Pair<String, String>> = emptyList()): String {
+    fun execute(
+        cmd: String,
+        additionalPath: List<Pair<String, String>> = emptyList(),
+        shellEnvironment: ShellEnvironment = ShellEnvironment.Default
+    ): String {
         logLn(cmd)
-
-        val bashPath = if (isWindows) "bash.exe" else "/bin/bash"
-
-        val process = ProcessBuilder(bashPath, "-c", cmd).also {
+        val process = ProcessBuilder(shellEnvironment.execution, "-c", cmd).also {
             if (additionalPath.isNotEmpty()) {
                 val envs: MutableMap<String, String> = it.environment()
                 additionalPath.forEach { extra ->
@@ -31,3 +31,10 @@ object Bash {
         return result.stdout.trim() + result.stderr.trim()
     }
 }
+
+sealed class ShellEnvironment(val execution: String) {
+    object Bash : ShellEnvironment("Bash.exe")
+    object BinBash : ShellEnvironment("/bin/bash")
+    object Cmd : ShellEnvironment("cmd.exe")
+    object Default : ShellEnvironment(if (isWindows) Bash.execution else BinBash.execution)
+}