diff --git a/platform/platform-impl/src/com/intellij/openapi/project/DumbServiceImpl.java b/platform/platform-impl/src/com/intellij/openapi/project/DumbServiceImpl.java
index 412a7e8a7e57..4932c584a1e5 100644
--- a/platform/platform-impl/src/com/intellij/openapi/project/DumbServiceImpl.java
+++ b/platform/platform-impl/src/com/intellij/openapi/project/DumbServiceImpl.java
@@ -328,6 +328,11 @@ public class DumbServiceImpl extends DumbService implements Disposable {
       public void run() {
         runWhenSmart(runnable);
       }
+
+      @Override
+      public String toString() {
+        return runnable.toString();
+      }
     }, myProject.getDisposed());
   }