diff --git a/mozilla/js/src/jsgc.c b/mozilla/js/src/jsgc.c
index 9f810bd0e8c..716daeddca3 100644
--- a/mozilla/js/src/jsgc.c
+++ b/mozilla/js/src/jsgc.c
@@ -2600,9 +2600,15 @@ js_GC(JSContext *cx, JSGCInvocationKind gckind)
          */
         if (rt->gcLevel == 1 && !rt->gcPoke)
             goto done_running;
-        rt->gcLevel = 1;
+        rt->gcLevel = 0;
         rt->gcPoke = JS_FALSE;
+        rt->gcRunning = JS_FALSE;
+#ifdef JS_THREADSAFE
+        rt->gcThread = NULL;
+        rt->requestCount += requestDebit;
+#endif
         gckind = GC_LOCK_HELD;
+        
         goto restart_at_beginning;
     }