diff --git a/client/mysqltest.cc b/client/mysqltest.cc
index 77584e70afe..734b263df66 100644
--- a/client/mysqltest.cc
+++ b/client/mysqltest.cc
@@ -1462,7 +1462,7 @@ void free_used_memory()
       dynstr_free(&(*q)->content);
     my_free((*q));
   }
-  for (i= 0; i < 12; i++)
+  for (i= 0; i < 10; i++)
   {
     if (var_reg[i].alloced_len)
       my_free(var_reg[i].str_val);