diff --git a/backend/src/graphql/resolver/AdminResolver.ts b/backend/src/graphql/resolver/AdminResolver.ts
index f4656aec8..fbeea716c 100644
--- a/backend/src/graphql/resolver/AdminResolver.ts
+++ b/backend/src/graphql/resolver/AdminResolver.ts
@@ -722,6 +722,7 @@ export class AdminResolver {
       contributionMessage.message = message
       contributionMessage.userId = user.id
       contributionMessage.type = ContributionMessageType.DIALOG
+      contributionMessage.isModerator = true
       await queryRunner.manager.insert(DbContributionMessage, contributionMessage)
 
       if (
diff --git a/backend/src/graphql/resolver/ContributionMessageResolver.ts b/backend/src/graphql/resolver/ContributionMessageResolver.ts
index 408481513..fb92806d0 100644
--- a/backend/src/graphql/resolver/ContributionMessageResolver.ts
+++ b/backend/src/graphql/resolver/ContributionMessageResolver.ts
@@ -39,6 +39,7 @@ export class ContributionMessageResolver {
       contributionMessage.message = message
       contributionMessage.userId = user.id
       contributionMessage.type = ContributionMessageType.DIALOG
+      contributionMessage.isModerator = false
       await queryRunner.manager.insert(DbContributionMessage, contributionMessage)
 
       if (contribution.contributionStatus === ContributionStatus.IN_PROGRESS) {