diff --git a/layout/html/forms/src/nsSelect.cpp b/layout/html/forms/src/nsSelect.cpp
index 0bf456e9e014..159fd30dfb49 100644
--- a/layout/html/forms/src/nsSelect.cpp
+++ b/layout/html/forms/src/nsSelect.cpp
@@ -633,7 +633,7 @@ void HACK(nsSelect* aSel, PRInt32 aIndex)
     sprintf(&buf[0], "option %d", i);
     nsString label(&buf[0]);
     option->SetContent(label);
-    aSel->AppendChild(option);
+    aSel->AppendChild(option, PR_FALSE);
   }
 }