diff --git a/backend/src/event/Event.ts b/backend/src/event/Event.ts
index e2ae5863a..90e28fbb4 100644
--- a/backend/src/event/Event.ts
+++ b/backend/src/event/Event.ts
@@ -131,13 +131,14 @@ export const EVENT_CONTRIBUTION_CONFIRM = async (
 
 export const EVENT_ADMIN_CONTRIBUTION_DENY = async (
   userId: number,
+  xUserId: number,
   contributionId: number,
   amount: Decimal,
 ): Promise<DbEvent> =>
   EVENT(
     EventProtocolType.ADMIN_CONTRIBUTION_DENY,
     userId,
-    null,
+    xUserId,
     null,
     null,
     contributionId,
diff --git a/backend/src/graphql/resolver/ContributionResolver.ts b/backend/src/graphql/resolver/ContributionResolver.ts
index 53026abe7..f070fade5 100644
--- a/backend/src/graphql/resolver/ContributionResolver.ts
+++ b/backend/src/graphql/resolver/ContributionResolver.ts
@@ -693,6 +693,7 @@ export class ContributionResolver {
     const res = await contributionToUpdate.save()
 
     await EVENT_ADMIN_CONTRIBUTION_DENY(
+      contributionToUpdate.userId,
       moderator.id,
       contributionToUpdate.id,
       contributionToUpdate.amount,