diff --git a/src/lib/Hydra/Config.pm b/src/lib/Hydra/Config.pm
index d96292fe..af686fca 100644
--- a/src/lib/Hydra/Config.pm
+++ b/src/lib/Hydra/Config.pm
@@ -128,7 +128,7 @@ sub normalize_ldap_role_mappings {
     }
 
     if (@errors) {
-        die join "\n", @errors;
+        die "Failed to normalize LDAP role mappings:\n" . (join "\n", @errors);
     }
 
     return $mapping;
diff --git a/t/Hydra/Config/ldap_role_map.t b/t/Hydra/Config/ldap_role_map.t
index 6ee4c73b..1c54a67d 100644
--- a/t/Hydra/Config/ldap_role_map.t
+++ b/t/Hydra/Config/ldap_role_map.t
@@ -223,7 +223,7 @@ subtest "normalize_ldap_role_mappings" => sub {
                 "group" => "invalid-role",
             }),
         },
-        qr/Invalid roles.*invalid-role/,
+        qr/Failed to normalize.*Invalid roles.*invalid-role/,
         "Invalid roles fail to normalize."
     );