diff --git a/app/utils/permission.js b/app/utils/permission.js
index 2d647b36..0d975368 100644
--- a/app/utils/permission.js
+++ b/app/utils/permission.js
@@ -2,24 +2,30 @@
 var hasPermission = function(currentUser, repoId) {
   var id = parseInt(repoId);
   var permissions;
-  if (permissions = currentUser.get('permissions')) {
-    return permissions.contains(id);
+  if (currentUser) {
+    if (permissions = currentUser.get('permissions')) {
+      return permissions.contains(id);
+    }
   }
 };
 
 var hasPushPermission = function(currentUser, repoId) {
   var id = parseInt(repoId);
   var permissions;
-  if (permissions = currentUser.get('pushPermissions')) {
-    return permissions.contains(id);
+  if (currentUser) {
+    if (permissions = currentUser.get('pushPermissions')) {
+      return permissions.contains(id);
+    }
   }
 };
 
 var hasAdminPermission = function(currentUser, repoId) {
   var id = parseInt(repoId);
   var permissions;
-  if (permissions = currentUser.get('adminPermissions')) {
-    return permissions.contains(id);
+  if (currentUser) {
+    if (permissions = currentUser.get('adminPermissions')) {
+      return permissions.contains(id);
+    }
   }
 };