diff --git a/java/java-impl/src/com/intellij/codeInsight/lookup/PsiTypeLookupItem.java b/java/java-impl/src/com/intellij/codeInsight/lookup/PsiTypeLookupItem.java
index 9f5c265cec82..18050b94b35c 100644
--- a/java/java-impl/src/com/intellij/codeInsight/lookup/PsiTypeLookupItem.java
+++ b/java/java-impl/src/com/intellij/codeInsight/lookup/PsiTypeLookupItem.java
@@ -78,6 +78,9 @@ public class PsiTypeLookupItem extends LookupItem {
     PostprocessReformattingAspect.getInstance(context.getProject()).doPostponedFormatting();
 
     int tail = context.getTailOffset();
+    if (tail <= 0) {
+      return;
+    }
     String braces = StringUtil.repeat("[]", getBracketsCount());
     Editor editor = context.getEditor();
     if (!braces.isEmpty()) {