diff --git a/ThreadPool.h b/ThreadPool.h
index 4183203..e2b72d5 100644
--- a/ThreadPool.h
+++ b/ThreadPool.h
@@ -16,7 +16,7 @@ class ThreadPool {
     ThreadPool(size_t);
     template<class F, class... Args>
     auto enqueue(F&& f, Args&&... args) 
-        -> std::future<typename std::result_of<F(Args...)>::type>;
+        -> std::future<typename std::result_of<F(Args&&...)>::type>;
     ~ThreadPool();
 private:
     // need to keep track of threads so we can join them
@@ -61,7 +61,7 @@ inline ThreadPool::ThreadPool(size_t threads)
 // add new work item to the pool
 template<class F, class... Args>
 auto ThreadPool::enqueue(F&& f, Args&&... args) 
-    -> std::future<typename std::result_of<F(Args...)>::type>
+    -> std::future<typename std::result_of<F(Args&&...)>::type>
 {
     using return_type = typename std::result_of<F(Args...)>::type;
 
@@ -77,7 +77,7 @@ auto ThreadPool::enqueue(F&& f, Args&&... args)
         if(stop)
             throw std::runtime_error("enqueue on stopped ThreadPool");
 
-        tasks.emplace([task](){ (*task)(); });
+        tasks.emplace([task](){ return (*task)(); });
     }
     condition.notify_one();
     return res;