diff --git a/python/src/com/jetbrains/python/codeInsight/PyDictKeyNamesCompletionContributor.java b/python/src/com/jetbrains/python/codeInsight/PyDictKeyNamesCompletionContributor.java
index 7fbc6d846acf..5f9127350f7b 100644
--- a/python/src/com/jetbrains/python/codeInsight/PyDictKeyNamesCompletionContributor.java
+++ b/python/src/com/jetbrains/python/codeInsight/PyDictKeyNamesCompletionContributor.java
@@ -181,7 +181,7 @@ public class PyDictKeyNamesCompletionContributor extends PySeeingOriginalComplet
       if (isDictKeys) {
         if (str.getText().startsWith("'") && str.getText().endsWith("'") ||
             str.getText().startsWith("\"") && str.getText().endsWith("\""))
-          context.setReplacementOffset(context.getSelectionEndOffset()+1);
+          context.setReplacementOffset(str.getTextOffset()+str.getTextLength());
       }
     }
   }