From 1c88587c5583ab4fee4a2118082bcf91b97dc9df Mon Sep 17 00:00:00 2001
From: Albert Yi <albert@carbonfive.com>
Date: Mon, 16 Apr 2018 16:41:25 -0700
Subject: [PATCH] fixes null uid field error for #3645

---
 app/models/post.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/models/post.rb b/app/models/post.rb
index 2ef1d9817..e0f3e1d04 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -69,7 +69,7 @@ class Post < ApplicationRecord
 
     def keeper_id
       if PostKeeperManager.enabled?
-        keeper_data ? keeper_data["uid"] : uploader_id
+        (keeper_data && keeper_data["uid"]) ? keeper_data["uid"] : uploader_id
       else
         uploader_id
       end