Changing primary key

activeadmin · May 16, 2014 · 5fff9df · 5fff9df
1 parent f33e41e
commit 5fff9df
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/active_admin/mongoid/document.rb b/lib/active_admin/mongoid/document.rb
@@ -45,7 +45,7 @@ class << self
       end
     end
 
-    self.primary_key ||= [:_id]
+    self.primary_key ||= :_id
 
   end