diff --git a/tests/mysql_client_test.c b/tests/mysql_client_test.c
index b95127f954fd1..ad8933118ccf1 100644
--- a/tests/mysql_client_test.c
+++ b/tests/mysql_client_test.c
@@ -15375,6 +15375,9 @@ static void test_bug14169()
 
   rc= mysql_query(mysql, "drop table t1");
   myquery(rc);
+
+  rc= mysql_query(mysql, "set session group_concat_max_len=@@global.group_concat_max_len");
+  myquery(rc);
 }
 
 /*