diff --git a/include/event-emitter.hpp b/include/event-emitter.hpp
index e22a559..902c510 100644
--- a/include/event-emitter.hpp
+++ b/include/event-emitter.hpp
@@ -332,9 +332,11 @@ private:
 		V8_VAR_STR code = JS_STR(
 			"(new Error()).stack.split('\\n').slice(2).join('\\n')"
 		);
-		V8_VAR_STR stack = V8_VAR_STR::Cast(
-			v8::Script::Compile(code)->Run(Nan::GetCurrentContext())
-		);
+		
+		V8_VAR_STR stack = v8::Script::Compile(code)->Run(
+			Nan::GetCurrentContext()
+		).As<v8::String>()->Value();
+		
 		Nan::Utf8String stackStr(stack);
 		msg += *stackStr;
 		
@@ -437,9 +439,10 @@ private:
 			})
 		)");
 		
-		V8_VAR_FUNC decor = V8_VAR_FUNC::Cast(
-			v8::Script::Compile(code)->Run(Nan::GetCurrentContext())
-		);
+		V8_VAR_FUNC decor = v8::Script::Compile(code)->Run(
+			Nan::GetCurrentContext()
+		).As<v8::Function>()->Value();
+		
 		Nan::Callback decorCb(decor);
 		V8_VAR_VAL argv[] = { info.This(), info[0], raw };
 		Nan::AsyncResource async("EventEmitter::js_once()");