diff --git a/sql/sql_acl.cc b/sql/sql_acl.cc
index 09c5790881f..ecefabaced3 100644
--- a/sql/sql_acl.cc
+++ b/sql/sql_acl.cc
@@ -3861,7 +3861,8 @@ bool check_grant_all_columns(THD *thd, ulong want_access_arg,
   {
     const char* db_name; 
     GRANT_INFO *grant;
-    GRANT_TABLE *grant_table;
+    /* Initialized only to make gcc happy */
+    GRANT_TABLE *grant_table= NULL;
 
     rw_rdlock(&LOCK_grant);