diff --git a/t/pt-show-grants/issue_445.t b/t/pt-show-grants/issue_445.t
index 54ae405a..36280d4e 100644
--- a/t/pt-show-grants/issue_445.t
+++ b/t/pt-show-grants/issue_445.t
@@ -61,10 +61,9 @@ is(
 );
 like(
    $output,
-   qr/REVOKE USAGE ON \*\.\* FROM ''\@'';/,
+   qr/REVOKE USAGE ON \*\.\* FROM ['`]['`]\@['`]['`];/,
    'Prints revoke for anonymous user (issue 445)'
 ) or diag($output);
-
 diag(`/tmp/12345/use -u root -e "DROP USER ''\@''"`);
 $output = `/tmp/12345/use -e "SELECT user FROM mysql.user WHERE user = ''"`;
 is(