diff --git a/src/common/adaptive_mutex.h b/src/common/adaptive_mutex.h
index 5e99dc47654..31a02f5b944 100644
--- a/src/common/adaptive_mutex.h
+++ b/src/common/adaptive_mutex.h
@@ -14,6 +14,7 @@ class AdaptiveMutex {
     void unlock() {
         pthread_mutex_unlock(&mutex);
     }
+
 private:
     pthread_mutex_t mutex = PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP;
 };