diff --git a/mysql-test/t/disabled.def b/mysql-test/t/disabled.def
index 112d6bb6a5b..49308c464ec 100644
--- a/mysql-test/t/disabled.def
+++ b/mysql-test/t/disabled.def
@@ -22,3 +22,4 @@ events_scheduling        : Bug#29830 Test case 'events_scheduling' fails on Mac
 lowercase_table3         : Bug#32667 lowercase_table3.test reports to error log
 rpl_log              : Bug#32653: rpl_log.test fails randomly
 rpl_view             : Bug#32654: rpl_view.test fails randomly
+ndb_backup_print     : Bug#32357: ndb_backup_print test fails sometimes in pushbuild
diff --git a/storage/myisam/mi_packrec.c b/storage/myisam/mi_packrec.c
index 70904aa2a27..59c98c978ce 100644
--- a/storage/myisam/mi_packrec.c
+++ b/storage/myisam/mi_packrec.c
@@ -564,7 +564,7 @@ static void fill_quick_table(uint16 *table, uint bits, uint max_bits,
   */
   value|= (max_bits - bits) << 8 | IS_CHAR;
 
-  for (end= table + (uint) (((uint) 1 << bits)); table < end; table++)
+  for (end= table + ((my_ptrdiff_t) 1 << bits); table < end; table++)
   {
     *table= (uint16) value;
   }