diff --git a/include/mysql_com.h b/include/mysql_com.h
index db5a5eb8741..236e17ccb94 100644
--- a/include/mysql_com.h
+++ b/include/mysql_com.h
@@ -203,6 +203,7 @@ enum enum_server_command
   number of result set columns.
 */
 #define SERVER_STATUS_METADATA_CHANGED 1024
+#define SERVER_QUERY_WAS_SLOW          2048
 
 /**
   Server status flags that must be cleared when starting