diff --git a/atom/common/native_mate_converters/callback.h b/atom/common/native_mate_converters/callback.h
index 28bff3c82ad3..8073d00779ea 100644
--- a/atom/common/native_mate_converters/callback.h
+++ b/atom/common/native_mate_converters/callback.h
@@ -55,7 +55,7 @@ struct V8FunctionInvoker<v8::Local<v8::Value>(ArgTypes...)> {
     v8::Local<v8::Function> holder = function.NewHandle(isolate);
     v8::Local<v8::Context> context = holder->CreationContext();
     v8::Context::Scope context_scope(context);
-    std::vector<v8::Local<v8::Value>> args = { ConvertToV8(isolate, raw)... };
+    std::vector<v8::Local<v8::Value>> args { ConvertToV8(isolate, raw)... };
     v8::Local<v8::Value> ret(holder->Call(holder, args.size(), &args.front()));
     return handle_scope.Escape(ret);
   }
@@ -75,7 +75,7 @@ struct V8FunctionInvoker<void(ArgTypes...)> {
     v8::Local<v8::Function> holder = function.NewHandle(isolate);
     v8::Local<v8::Context> context = holder->CreationContext();
     v8::Context::Scope context_scope(context);
-    std::vector<v8::Local<v8::Value>> args = { ConvertToV8(isolate, raw)... };
+    std::vector<v8::Local<v8::Value>> args { ConvertToV8(isolate, raw)... };
     holder->Call(holder, args.size(), &args.front());
   }
 };
@@ -95,7 +95,7 @@ struct V8FunctionInvoker<ReturnType(ArgTypes...)> {
     v8::Local<v8::Function> holder = function.NewHandle(isolate);
     v8::Local<v8::Context> context = holder->CreationContext();
     v8::Context::Scope context_scope(context);
-    std::vector<v8::Local<v8::Value>> args = { ConvertToV8(isolate, raw)... };
+    std::vector<v8::Local<v8::Value>> args { ConvertToV8(isolate, raw)... };
     v8::Local<v8::Value> result;
     auto maybe_result =
         holder->Call(context, holder, args.size(), &args.front());