diff --git a/java/java-analysis-impl/src/com/intellij/refactoring/util/duplicates/ExtractedParameter.java b/java/java-analysis-impl/src/com/intellij/refactoring/util/duplicates/ExtractedParameter.java
index 0a147154cdfa..26d9bbb67bc2 100644
--- a/java/java-analysis-impl/src/com/intellij/refactoring/util/duplicates/ExtractedParameter.java
+++ b/java/java-analysis-impl/src/com/intellij/refactoring/util/duplicates/ExtractedParameter.java
@@ -83,6 +83,7 @@ public class ExtractedParameter {
     if (myType instanceof PsiEllipsisType) {
       type = ((PsiEllipsisType)myType).toArrayType();
     }
+    type = GenericsUtil.getVariableTypeByExpressionType(type);
     return type.getCanonicalText();
   }