diff --git a/tests/support_server/setup.pm b/tests/support_server/setup.pm
index b011bd8dfe60..15a7aa4e4b26 100644
--- a/tests/support_server/setup.pm
+++ b/tests/support_server/setup.pm
@@ -676,7 +676,7 @@ sub pre_run_hook {
         assert_script_run q|sed -i -e '/^include \"\/etc\/named.conf.include\";/ s/^/#/' /etc/named.conf|;
     }
 
-#    assert_script_run q|sed -i -e '/^include \"\/etc\/named.d\/openqa.zones\";/ s/^/#/' /etc/named.conf|;
+    assert_script_run q|sed -i -e '/^include \"\/etc\/named.d\/openqa.zones\";/ s/^/#/' /etc/named.conf|;
     $self->SUPER::pre_run_hook;
 }