diff --git a/common/models/role.js b/common/models/role.js
index 05638863..e78dc4ed 100644
--- a/common/models/role.js
+++ b/common/models/role.js
@@ -24,9 +24,9 @@ module.exports = function(Role) {
   Role.resolveRelatedModels = function() {
     if (!this.userModel) {
       var reg = this.registry;
-      this.roleMappingModel = reg.getModelByType(loopback.RoleMapping);
-      this.userModel = reg.getModelByType(loopback.User);
-      this.applicationModel = reg.getModelByType(loopback.Application);
+      this.roleMappingModel = reg.getModelByType('RoleMapping');
+      this.userModel = reg.getModelByType('User');
+      this.applicationModel = reg.getModelByType('Application');
     }
   };
 
diff --git a/test/role.test.js b/test/role.test.js
index d6eccf79..c9390c89 100644
--- a/test/role.test.js
+++ b/test/role.test.js
@@ -47,9 +47,6 @@ describe('role model', function() {
     ACL.roleMappingModel = RoleMapping;
     ACL.userModel = User;
     ACL.applicationModel = Application;
-    Role.roleMappingModel = RoleMapping;
-    Role.userModel = User;
-    Role.applicationModel = Application;
   });
 
   it('should define role/role relations', function(done) {