1 files changed, 1 insertions, 1 deletions
diff --git a/sql/slave.h b/sql/slave.h
index 048cb3f0100..311368a4b82 100644
--- a/sql/slave.h
+++ b/sql/slave.h
@@ -20,7 +20,7 @@ typedef struct st_master_info
   st_master_info():pending(0),fd(-1),inited(0)
   {
     host[0] = 0; user[0] = 0; password[0] = 0;
-    pthread_mutex_init(&lock, NULL);
+    pthread_mutex_init(&lock, MY_MUTEX_INIT_FAST);
     pthread_cond_init(&cond, NULL);
   }