diff --git a/schema/input.graphql b/schema/input.graphql
index 3d431cb5..b46ea57b 100644
--- a/schema/input.graphql
+++ b/schema/input.graphql
@@ -31,7 +31,7 @@ input TopicInput {
 }
 
 input ReactionInput {
-  id: Int!
+  id: Int
   kind: ReactionKind!
   shout: Int!
   quote: String