diff --git a/python/src/com/jetbrains/python/refactoring/introduce/IntroduceHandler.java b/python/src/com/jetbrains/python/refactoring/introduce/IntroduceHandler.java
index 50120ac11604..3ee168f729c5 100644
--- a/python/src/com/jetbrains/python/refactoring/introduce/IntroduceHandler.java
+++ b/python/src/com/jetbrains/python/refactoring/introduce/IntroduceHandler.java
@@ -140,7 +140,7 @@ abstract public class IntroduceHandler implements RefactoringActionHandler {
       if (elementAtCaret instanceof PyStatement) {
         break;
       }
-      if (elementAtCaret instanceof PyExpression) {
+      if (elementAtCaret instanceof PyExpression && isValidIntroduceVariant(elementAtCaret)) {
         expressions.add((PyExpression)elementAtCaret);
       }
       elementAtCaret = elementAtCaret.getParent();
@@ -165,6 +165,14 @@ abstract public class IntroduceHandler implements RefactoringActionHandler {
     return false;
   }
 
+  private static boolean isValidIntroduceVariant(PsiElement element) {
+    final PyCallExpression call = PsiTreeUtil.getParentOfType(element, PyCallExpression.class);
+    if (call != null && PsiTreeUtil.isAncestor(call.getCallee(), element, false)) {
+      return false;
+    }
+    return true;
+  }
+
   private void performActionOnElement(Editor editor,
                                       PsiElement element,
                                       String name,