diff --git a/platform/platform-tests/testSrc/com/intellij/openapi/vfs/local/FileWatcherTest.java b/platform/platform-tests/testSrc/com/intellij/openapi/vfs/local/FileWatcherTest.java
index 533f55ef7733..a7fe91bc4b37 100644
--- a/platform/platform-tests/testSrc/com/intellij/openapi/vfs/local/FileWatcherTest.java
+++ b/platform/platform-tests/testSrc/com/intellij/openapi/vfs/local/FileWatcherTest.java
@@ -368,9 +368,10 @@ public class FileWatcherTest extends PlatformLangTestCase {
       }
     }
     finally {
-      VirtualDirectoryImpl.disallowRootAccess(substRoot);
       delete(targetDir);
       new GeneralCommandLine("subst", subst + ":", "/d").createProcess().waitFor();
+      myFileSystem.refresh(false);
+      VirtualDirectoryImpl.disallowRootAccess(substRoot);
     }
   }