diff --git a/java/java-tests/testSrc/com/intellij/openapi/roots/impl/DirectoryIndexTest.java b/java/java-tests/testSrc/com/intellij/openapi/roots/impl/DirectoryIndexTest.java
index 88151e01c8fd..072e6b3ff52a 100644
--- a/java/java-tests/testSrc/com/intellij/openapi/roots/impl/DirectoryIndexTest.java
+++ b/java/java-tests/testSrc/com/intellij/openapi/roots/impl/DirectoryIndexTest.java
@@ -168,6 +168,8 @@ public class DirectoryIndexTest extends IdeaTestCase {
     });
 
     myIndex = DirectoryIndex.getInstance(myProject);
+    // to not interfere with previous test firing vfs events
+    VirtualFileManager.getInstance().syncRefresh();
   }
 
   private CompilerProjectExtension getCompilerProjectExtension() {