diff --git a/app/models/project.rb b/app/models/project.rb
index 906c26a89..535409d9a 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -77,7 +77,7 @@ class Project < ActiveRecord::Base
   end
 
   def all_members
-    (members | (owner_type == 'User' ? [owner] : owner.members)).uniq
+    members | (owner_type == 'User' ? [owner] : owner.members)
   end
 
   def members