diff --git a/sql/sql_plugin.cc b/sql/sql_plugin.cc
index 5cb46d0f7ef..1059103086a 100644
--- a/sql/sql_plugin.cc
+++ b/sql/sql_plugin.cc
@@ -1531,7 +1531,7 @@ int plugin_init(int *argc, char **argv, int flags)
 
   /* prepare debug_sync service */
   DBUG_ASSERT(strcmp(list_of_services[5].name, "debug_sync_service") == 0);
-  list_of_services[5].service= reinterpret_cast<void*>(debug_sync_C_callback_ptr);
+  list_of_services[5].service= *(void**)&debug_sync_C_callback_ptr;
 
   mysql_mutex_lock(&LOCK_plugin);