diff --git a/ReactCommon/jschelpers/JSCWrapper.cpp b/ReactCommon/jschelpers/JSCWrapper.cpp
index d0354376139..27942a5b06f 100644
--- a/ReactCommon/jschelpers/JSCWrapper.cpp
+++ b/ReactCommon/jschelpers/JSCWrapper.cpp
@@ -60,6 +60,7 @@ const JSCWrapper* customJSCWrapper() {
 
 void setCustomJSCWrapper(const JSCWrapper* wrapper) {
   #if USE_GLOG
+  CHECK(wrapper != nullptr) << "Can't set null wrapper";
   CHECK(s_customWrapper == nullptr) << "Can't set custom JSC wrapper multiple times";
   #endif
   s_customWrapper = wrapper;