diff --git a/tests/role_deploy_domain_controller.pm b/tests/role_deploy_domain_controller.pm
index 9146bb63..9b139c53 100644
--- a/tests/role_deploy_domain_controller.pm
+++ b/tests/role_deploy_domain_controller.pm
@@ -119,7 +119,7 @@ sub run {
     assert_script_run "printf 'correcthorse\nbatterystaple\nbatterystaple' | kinit test2\@$ipa_realm";
 
     # add a sudo rule
-    assert_script_run "kswitch -p admin@$ipa_realm";
+    assert_script_run "kswitch -p admin\@$ipa_realm";
     assert_script_run 'ipa sudorule-add testrule --desc="Test rule in IPA" --hostcat=all --cmdcat=all --runasusercat=all --runasgroupcat=all';
     assert_script_run 'ipa sudorule-add-user testrule --users="test1"';
     validate_script_output 'ipa sudorule-show testrule', sub { $_ =~ m/Rule name: testrule/ };