diff --git a/include/spdlog/details/circular_q.h b/include/spdlog/details/circular_q.h
index b78af247..b01325bb 100644
--- a/include/spdlog/details/circular_q.h
+++ b/include/spdlog/details/circular_q.h
@@ -56,7 +56,7 @@ public:
 
     size_t overrun_counter() const
     {
-      return overrun_counter_;
+        return overrun_counter_;
     }
 
 private:
diff --git a/include/spdlog/details/mpmc_blocking_q.h b/include/spdlog/details/mpmc_blocking_q.h
index cf34d225..ca789fc6 100644
--- a/include/spdlog/details/mpmc_blocking_q.h
+++ b/include/spdlog/details/mpmc_blocking_q.h
@@ -30,12 +30,6 @@ public:
     {
     }
 
-    size_t overrun_counter() const
-    {
-      std::unique_lock<std::mutex> lock(queue_mutex_);
-      return q_.overrun_counter();
-    }
-
 #ifndef __MINGW32__
     // try to enqueue and block if no room left
     void enqueue(T &&item)
@@ -111,6 +105,12 @@ public:
 
 #endif
 
+    size_t overrun_counter()
+    {
+        std::unique_lock<std::mutex> lock(queue_mutex_);
+        return q_.overrun_counter();
+    }
+
 private:
     std::mutex queue_mutex_;
     std::condition_variable push_cv_;
diff --git a/include/spdlog/details/thread_pool.h b/include/spdlog/details/thread_pool.h
index aab089f4..282d67e8 100644
--- a/include/spdlog/details/thread_pool.h
+++ b/include/spdlog/details/thread_pool.h
@@ -157,9 +157,9 @@ public:
         post_async_msg_(async_msg(std::move(worker_ptr), async_msg_type::flush), overflow_policy);
     }
 
-    size_t overrun_counter() const
+    size_t overrun_counter()
     {
-      return q_.overrun_counter();
+        return q_.overrun_counter();
     }
 
 private: