diff --git a/devops-service/db/mongo/models/project.rb b/devops-service/db/mongo/models/project.rb
index d6cc327..3e68952 100644
--- a/devops-service/db/mongo/models/project.rb
+++ b/devops-service/db/mongo/models/project.rb
@@ -211,7 +211,7 @@ module Devops
       end
 
       def self.create_roles_response roles
-        if roles.is_a?(String)
+        if !roles || roles.is_a?(String)
           roles
         else
           info = ""