diff --git a/platform/platform-impl/src/com/intellij/openapi/progress/util/ProgressWindow.java b/platform/platform-impl/src/com/intellij/openapi/progress/util/ProgressWindow.java
index 0e4bb8ec6b28..7906c26260b7 100644
--- a/platform/platform-impl/src/com/intellij/openapi/progress/util/ProgressWindow.java
+++ b/platform/platform-impl/src/com/intellij/openapi/progress/util/ProgressWindow.java
@@ -415,4 +415,9 @@ public class ProgressWindow extends ProgressIndicatorBase implements BlockingPro
       myDialog.enableCancelButtonIfNeeded(enable);
     }
   }
+
+  @Override
+  public String toString() {
+    return getTitle() + " " + System.identityHashCode(this) + ": running="+isRunning()+"; canceled="+isCanceled();
+  }
 }