diff --git a/mozilla/editor/base/editor.cpp b/mozilla/editor/base/editor.cpp
index 9f725059279..2a7ab8cfec6 100644
--- a/mozilla/editor/base/editor.cpp
+++ b/mozilla/editor/base/editor.cpp
@@ -891,7 +891,7 @@ nsresult nsEditor::CreateTxnToHandleEnterKey(EditAggregateTxn **aTxn)
 nsresult 
 nsEditor::DeleteSelection(nsIEditor::Direction aDir)
 {
-#if SELECTION_DOESNT_GO_THROUGH_RANGE
+#ifdef DELETE_SELECTION_DOESNT_GO_THROUGH_RANGE
   EditAggregateTxn *txn;
   nsresult result = CreateTxnForDeleteSelection(aDir, &txn);
   if (NS_SUCCEEDED(result))  {