diff --git a/platform/lang-impl/src/com/intellij/refactoring/move/moveFilesOrDirectories/MoveFilesOrDirectoriesUtil.java b/platform/lang-impl/src/com/intellij/refactoring/move/moveFilesOrDirectories/MoveFilesOrDirectoriesUtil.java
index ef10be43254e..87711a25bdc9 100644
--- a/platform/lang-impl/src/com/intellij/refactoring/move/moveFilesOrDirectories/MoveFilesOrDirectoriesUtil.java
+++ b/platform/lang-impl/src/com/intellij/refactoring/move/moveFilesOrDirectories/MoveFilesOrDirectoriesUtil.java
@@ -83,7 +83,7 @@ public class MoveFilesOrDirectoriesUtil {
 
       try {
         final VirtualFile virtualFile = file.getVirtualFile();
-        assert virtualFile != null;
+        LOG.assertTrue(virtualFile != null, file);
         virtualFile.move(manager, newDirectory.getVirtualFile());
       }
       catch (IOException e) {