diff --git a/platform/testFramework/src/com/intellij/testFramework/PlatformTestCase.java b/platform/testFramework/src/com/intellij/testFramework/PlatformTestCase.java
index 6ad1eb7c0570..4b759675fc70 100644
--- a/platform/testFramework/src/com/intellij/testFramework/PlatformTestCase.java
+++ b/platform/testFramework/src/com/intellij/testFramework/PlatformTestCase.java
@@ -125,7 +125,7 @@ public abstract class PlatformTestCase extends UsefulTestCase implements DataPro
 
     LOG.info(getClass().getName() + ".setUp()");
 
-    myTempDirPath = ourOriginalTempDir + getTestName(true) + "/";
+    myTempDirPath = ourOriginalTempDir + "/"+getTestName(true) + "/";
     setTmpDir(myTempDirPath);
     new File(myTempDirPath).mkdir();