diff --git a/mozilla/js/src/jscntxt.c b/mozilla/js/src/jscntxt.c
index 741e5ebc7b7..e4407dce108 100644
--- a/mozilla/js/src/jscntxt.c
+++ b/mozilla/js/src/jscntxt.c
@@ -141,7 +141,7 @@ void
 js_ClearContextThread(JSContext *cx)
 {
     cx->thread = NULL;
-    JS_REMOVE_LINK(&cx->threadLinks);
+    JS_REMOVE_AND_INIT_LINK(&cx->threadLinks);
 }
 
 #endif /* JS_THREADSAFE */