diff --git a/platform/lang-impl/src/com/intellij/codeInspection/ui/InspectionResultsView.java b/platform/lang-impl/src/com/intellij/codeInspection/ui/InspectionResultsView.java
index 204ba11f03cd..34b174279d46 100644
--- a/platform/lang-impl/src/com/intellij/codeInspection/ui/InspectionResultsView.java
+++ b/platform/lang-impl/src/com/intellij/codeInspection/ui/InspectionResultsView.java
@@ -539,12 +539,14 @@ public class InspectionResultsView extends JPanel implements Disposable, DataPro
                                             contents,
                                             problems::get);
 
-        myLoadingProgressPreviewAlarm.cancelAllRequests();
-        myLoadingProgressPreviewAlarm.addRequest(() -> {
-          if (myLoadingProgressPreview != null) {
-            myLoadingProgressPreview.updateLoadingProgress();
-          }
-        }, 200);
+        if (!myLoadingProgressPreviewAlarm.isDisposed()) {
+          myLoadingProgressPreviewAlarm.cancelAllRequests();
+          myLoadingProgressPreviewAlarm.addRequest(() -> {
+            if (myLoadingProgressPreview != null) {
+              myLoadingProgressPreview.updateLoadingProgress();
+            }
+          }, 200);
+        }
       }
     }));
   }