diff --git a/js/src/jstracer.cpp b/js/src/jstracer.cpp
index 7aac6fd87a8..37e6ec30398 100644
--- a/js/src/jstracer.cpp
+++ b/js/src/jstracer.cpp
@@ -13946,6 +13946,8 @@ TraceRecorder::record_JSOP_BINDNAME()
     JSAtom *atom = atoms[GET_INDEX(cx->regs->pc)];
     jsid id = ATOM_TO_JSID(atom);
     JSObject *obj2 = js_FindIdentifierBase(cx, fp->scopeChain, id);
+    if (!obj2)
+        RETURN_ERROR_A("error in js_FindIdentifierBase");
     if (obj2 != globalObj && obj2->getClass() != &js_CallClass)
         RETURN_STOP_A("BINDNAME on non-global, non-call object");