diff --git a/platform/lang-impl/src/com/intellij/refactoring/changeSignature/ChangeSignatureDialogBase.java b/platform/lang-impl/src/com/intellij/refactoring/changeSignature/ChangeSignatureDialogBase.java
index 7804b88eac3b..af569088d49e 100644
--- a/platform/lang-impl/src/com/intellij/refactoring/changeSignature/ChangeSignatureDialogBase.java
+++ b/platform/lang-impl/src/com/intellij/refactoring/changeSignature/ChangeSignatureDialogBase.java
@@ -216,7 +216,7 @@ public abstract class ChangeSignatureDialogBase<P extends ParameterInfo, M exten
       typePanel.add(myReturnTypeField);
 
       if (myMethod.canChangeReturnType() == MethodDescriptor.ReadWriteOption.ReadWrite) {
-        typePanel.setPreferredSize(new Dimension(200, -1));
+        myReturnTypeField.setPreferredWidth(200);
         myReturnTypeField.addDocumentListener(mySignatureUpdater);
       }
       else {