diff --git a/plugins/groovy/src/org/jetbrains/plugins/groovy/refactoring/GroovyValidationUtil.java b/plugins/groovy/src/org/jetbrains/plugins/groovy/refactoring/GroovyValidationUtil.java
index 4bdbb0c2c9d9..50a27346635f 100644
--- a/plugins/groovy/src/org/jetbrains/plugins/groovy/refactoring/GroovyValidationUtil.java
+++ b/plugins/groovy/src/org/jetbrains/plugins/groovy/refactoring/GroovyValidationUtil.java
@@ -39,6 +39,7 @@ public class GroovyValidationUtil {
     GrParametersOwner owner = PsiTreeUtil.getParentOfType(variable, GrParametersOwner.class);
     assert owner != null;
     for (GrParameter parameter : list.getParameters()) {
+      if (parameter.equals(variable)) continue;
       validateVariableOccurrencesDownImpl(parameter, conflicts, varName);
     }
     validateVariableOccurrencesDown(owner, list, conflicts, varName);