diff --git a/js/src/xpconnect/src/dom_quickstubs.qsconf b/js/src/xpconnect/src/dom_quickstubs.qsconf
index 25eb1d8d8574..27b304045077 100644
--- a/js/src/xpconnect/src/dom_quickstubs.qsconf
+++ b/js/src/xpconnect/src/dom_quickstubs.qsconf
@@ -816,7 +816,7 @@ customMethodCalls = {
     'nsIDOMNode_IsEqualNode': {
         'thisType': 'nsINode',
         'arg0Type': 'nsINode',
-        'code': '    PRUint16 result = self->IsEqualTo(arg0);',
+        'code': '    PRBool result = self->IsEqualTo(arg0);',
         'canFail': False
         },
     'nsIDOMNode_GetUserData': {