diff --git a/js/src/jsopcode.cpp b/js/src/jsopcode.cpp
index 3a89b75bedd3..899b662851da 100644
--- a/js/src/jsopcode.cpp
+++ b/js/src/jsopcode.cpp
@@ -4945,8 +4945,7 @@ js_DecompileValueGenerator(JSContext *cx, intN spindex, jsval v,
               spindex == JSDVG_IGNORE_STACK ||
               spindex == JSDVG_SEARCH_STACK);
 
-    for (fp = cx->fp; fp && !fp->script; fp = fp->down)
-        continue;
+    fp = js_GetScriptedCaller(cx, NULL);
     if (!fp || !fp->regs || !fp->regs->sp)
         goto do_fallback;