diff --git a/core/src/main/kotlin/org/jetbrains/research/testspark/core/test/java/JavaTestCompiler.kt b/core/src/main/kotlin/org/jetbrains/research/testspark/core/test/java/JavaTestCompiler.kt
index c4c5250c0..24d875506 100644
--- a/core/src/main/kotlin/org/jetbrains/research/testspark/core/test/java/JavaTestCompiler.kt
+++ b/core/src/main/kotlin/org/jetbrains/research/testspark/core/test/java/JavaTestCompiler.kt
@@ -42,7 +42,10 @@ class JavaTestCompiler(
         // compile file
         val errorMsg = CommandLineRunner.run(
             arrayListOf(
-                javac,
+                /**
+                 * Filepath may contain spaces, so we need to wrap it in quotes.
+                 */
+                "'$javac'",
                 "-cp",
                 classPaths,
                 path,
diff --git a/core/src/main/kotlin/org/jetbrains/research/testspark/core/test/kotlin/KotlinTestCompiler.kt b/core/src/main/kotlin/org/jetbrains/research/testspark/core/test/kotlin/KotlinTestCompiler.kt
index 1d242e106..3e1573c48 100644
--- a/core/src/main/kotlin/org/jetbrains/research/testspark/core/test/kotlin/KotlinTestCompiler.kt
+++ b/core/src/main/kotlin/org/jetbrains/research/testspark/core/test/kotlin/KotlinTestCompiler.kt
@@ -57,7 +57,10 @@ class KotlinTestCompiler(
         // TODO: we treat warnings as errors for now
         val errorMsg = CommandLineRunner.run(
             arrayListOf(
-                kotlinc,
+                /**
+                 * Filepath may contain spaces, so we need to wrap it in quotes.
+                 */
+                "'$kotlinc'",
                 "-cp",
                 classPaths,
                 path,