diff --git a/platform/lang-impl/src/com/intellij/codeInsight/lookup/impl/LookupImpl.java b/platform/lang-impl/src/com/intellij/codeInsight/lookup/impl/LookupImpl.java
index 1c48a75a5de8..c66c9cd2204f 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/lookup/impl/LookupImpl.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/lookup/impl/LookupImpl.java
@@ -894,7 +894,7 @@ public class LookupImpl extends LightweightHint implements LookupEx, Disposable
     myScrollPane.getVerticalScrollBar().addAdjustmentListener(new AdjustmentListener() {
       @Override
       public void adjustmentValueChanged(AdjustmentEvent e) {
-        if (!myShown || myUpdating) return;
+        if (!myShown || myUpdating || myDisposed) return;
         alarm.addRequest(new Runnable() {
           @Override
           public void run() {