diff --git a/database/entity/0075-contribution_message_add_index/ContributionMessage.ts b/database/entity/0075-contribution_message_add_index/ContributionMessage.ts
index 1c54ce5a0..dde11a0f9 100644
--- a/database/entity/0075-contribution_message_add_index/ContributionMessage.ts
+++ b/database/entity/0075-contribution_message_add_index/ContributionMessage.ts
@@ -18,10 +18,10 @@ export class ContributionMessage extends BaseEntity {
   @PrimaryGeneratedColumn('increment', { unsigned: true })
   id: number
 
+  @Index()
   @Column({ name: 'contribution_id', unsigned: true, nullable: false })
   contributionId: number
 
-  @Index()
   @ManyToOne(() => Contribution, (contribution) => contribution.messages)
   @JoinColumn({ name: 'contribution_id' })
   contribution: Contribution