diff --git a/lib/utils.pm b/lib/utils.pm
index b4a7a592..fff6935d 100644
--- a/lib/utils.pm
+++ b/lib/utils.pm
@@ -379,7 +379,7 @@ sub _repo_setup_updates {
     # fix up some errors in fedora-repos baseurls in F28:
     # https://pagure.io/fedora-repos/issue/70
     if (get_var("VERSION") == 28) {
-        assert_script_run 'sed -i -e "s,^\(#baseurl.*/\)os/$,\1,g" /etc/yum.repos.d/fedora*updates*.repo';
+        assert_script_run 'sed -i -e "s,^\(baseurl.*/\)os/$,\1,g" /etc/yum.repos.d/fedora*updates*.repo';
         assert_script_run 'sed -i -e "s,/testing-modular/,,g" /etc/yum.repos.d/fedora*updates*.repo';
     }
     if (get_var("OFW")) {