diff --git a/resolvers/zine/reactions.py b/resolvers/zine/reactions.py
index 92b86935..f935920c 100644
--- a/resolvers/zine/reactions.py
+++ b/resolvers/zine/reactions.py
@@ -196,7 +196,7 @@ async def update_reaction(_, info, reaction={}):
 
         if not r:
             return {"error": "invalid reaction id"}
-        if r.createdBy != user.slug:
+        if r.createdBy != user.id:
             return {"error": "access denied"}
 
         r.body = reaction["body"]