diff --git a/js/src/jsscript.cpp b/js/src/jsscript.cpp
index cf18bb907b39..7b9aeea74d4e 100644
--- a/js/src/jsscript.cpp
+++ b/js/src/jsscript.cpp
@@ -981,7 +981,7 @@ js::SaveScriptFilename(JSContext *cx, const char *filename)
      * scripts or exceptions pointing to the filename may no longer be
      * reachable.
      */
-    if (cx->compartment->needsBarrier() && rt->gcIsFull)
+    if (rt->gcIncrementalState == MARK && rt->gcIsFull)
         sfe->marked = true;
 #endif