diff --git a/platform/vcs-impl/src/com/intellij/openapi/vcs/changes/VcsChangeDetailsManager.java b/platform/vcs-impl/src/com/intellij/openapi/vcs/changes/VcsChangeDetailsManager.java
index fe8754870adc..0de56dc1eaf5 100644
--- a/platform/vcs-impl/src/com/intellij/openapi/vcs/changes/VcsChangeDetailsManager.java
+++ b/platform/vcs-impl/src/com/intellij/openapi/vcs/changes/VcsChangeDetailsManager.java
@@ -106,6 +106,8 @@ public class VcsChangeDetailsManager {
 
     @Override
     public boolean canComment(Change change) {
+      FilePath path = ChangesUtil.getFilePath(change);
+      if (path != null && path.isDirectory()) return false;
       return ShowDiffAction.isBinaryChangeAndCanShow(myProject, change);
     }