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 40309c576db9..f60711f223b1 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
@@ -268,7 +268,7 @@ public class LookupImpl extends LightweightHint implements LookupEx, Disposable
   }
 
   public void setFocused(boolean focused) {
-    if (focused && !myFocused) {
+    if (focused && !CompletionPreview.hasPreview(this)) {
       CompletionPreview.installPreview(this);
     }
     myFocused = focused;