diff --git a/unittest/libmariadb/ps_bugs.c b/unittest/libmariadb/ps_bugs.c
index f73ce643..91de2ee3 100644
--- a/unittest/libmariadb/ps_bugs.c
+++ b/unittest/libmariadb/ps_bugs.c
@@ -5502,6 +5502,8 @@ static int test_conc633(MYSQL *mysql)
   int ret= FAIL;
   int rc;
 
+  SKIP_MYSQL(mysql);
+
   if (!mariadb_stmt_execute_direct(stmt, SL("SÄLECT 1")))
   {
     diag("Syntax error expected");