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 e4a9a301b0c9..a36e6a26038a 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
@@ -784,7 +784,7 @@ public class LookupImpl extends LightweightHint implements LookupEx, Disposable
         int bs = myEditor.logicalPositionToOffset(new LogicalPosition(line, blockStart.column));
         int start = bs - prefix.length();
         int end = myEditor.logicalPositionToOffset(new LogicalPosition(line, blockEnd.column));
-        if (start >= end) {
+        if (start > end) {
           LOG.error("bs=" + bs + "; start=" + start + "; end=" + end +
                     "; blockStart=" + blockStart + "; blockEnd=" + blockEnd + "; line=" + line + "; len=" +
                     (document.getLineEndOffset(line) - document.getLineStartOffset(line)));