1 files changed, 2 insertions, 0 deletions
diff --git a/modules/user.module b/modules/user.module
index 3ccfff64d..435ba4956 100644
--- a/modules/user.module
+++ b/modules/user.module
@@ -1219,6 +1219,8 @@ function user_admin_perm($edit = array()) {
       if ($perm) {
         db_query("INSERT INTO {permission} (rid, perm) VALUES (%d, '%s')", $role->rid, $perm);
       }
+      // clear the cache, we might have changed the anonymous user's permissions
+      cache_clear_all();
     }
   }