diff --git a/plugins/hg4idea/src/org/zmlx/hg4idea/HgVcs.java b/plugins/hg4idea/src/org/zmlx/hg4idea/HgVcs.java
index 2784a5bf0203..ad44f7800327 100644
--- a/plugins/hg4idea/src/org/zmlx/hg4idea/HgVcs.java
+++ b/plugins/hg4idea/src/org/zmlx/hg4idea/HgVcs.java
@@ -188,6 +188,11 @@ public class HgVcs extends AbstractVcs<CommittedChangeList> {
     return null;
   }
 
+  @Override
+  public boolean fileListenerIsSynchronous() {
+    return false;
+  }
+
   @Override
   public CommittedChangesProvider getCommittedChangesProvider() {
     return commitedChangesProvider;