1 files changed, 3 insertions, 1 deletions
diff --git a/src/js_stream.cc b/src/js_stream.cc
index 902aff7abe..4769a9c56d 100644
--- a/src/js_stream.cc
+++ b/src/js_stream.cc
@@ -14,6 +14,7 @@ using v8::Context;
 using v8::FunctionCallbackInfo;
 using v8::FunctionTemplate;
 using v8::HandleScope;
+using v8::Int32;
 using v8::Local;
 using v8::Object;
 using v8::String;
@@ -154,7 +155,8 @@ void JSStream::Finish(const FunctionCallbackInfo<Value>& args) {
   CHECK(args[0]->IsObject());
   Wrap* w = static_cast<Wrap*>(StreamReq::FromObject(args[0].As<Object>()));
 
-  w->Done(args[1]->Int32Value());
+  CHECK(args[1]->IsInt32());
+  w->Done(args[1].As<Int32>()->Value());
 }