diff --git a/platform/platform-impl/src/com/intellij/diagnostic/IdeErrorsDialog.java b/platform/platform-impl/src/com/intellij/diagnostic/IdeErrorsDialog.java
index f06ec030e872..fd1201cbc06a 100644
--- a/platform/platform-impl/src/com/intellij/diagnostic/IdeErrorsDialog.java
+++ b/platform/platform-impl/src/com/intellij/diagnostic/IdeErrorsDialog.java
@@ -552,7 +552,7 @@ public class IdeErrorsDialog extends DialogWrapper implements MessagePoolListene
     }
   }
 
-  private class ClearFatalsAction extends AnAction {
+  private class ClearFatalsAction extends AnAction implements DumbAware {
     public ClearFatalsAction() {
       super("Clear all fatal errors", "Clear all fatal errors",
             IconLoader.getIcon("/general/reset.png"));