diff --git a/js/jsd/jsd_val.cpp b/js/jsd/jsd_val.cpp
index 20249cc2cbd..a8cad6d005a 100644
--- a/js/jsd/jsd_val.cpp
+++ b/js/jsd/jsd_val.cpp
@@ -323,6 +323,7 @@ jsd_GetValueWrappedJSVal(JSDContext* jsdc, JSDValue* jsdval)
     jsval val = jsdval->val;
     if (!JSVAL_IS_PRIMITIVE(val)) {
         cx = JSD_GetDefaultJSContext(jsdc);
+        JSAutoCompartment ac(cx, JSVAL_TO_OBJECT(val));
         obj = JS_ObjectToOuterObject(cx, JSVAL_TO_OBJECT(val));
         if (!obj)
         {