diff --git a/packages/backend/src/core/QueueService.ts b/packages/backend/src/core/QueueService.ts
index d2fffd602b..87609f38ea 100644
--- a/packages/backend/src/core/QueueService.ts
+++ b/packages/backend/src/core/QueueService.ts
@@ -711,6 +711,9 @@ export class QueueService {
 				age: 3600 * 24 * 7, // keep up to 7 days
 				count: 100,
 			},
+			deduplication: {
+				id: key,
+			},
 		});
 	}
 
@@ -728,6 +731,9 @@ export class QueueService {
 				age: 3600 * 24 * 7, // keep up to 7 days
 				count: 100,
 			},
+			deduplication: {
+				id: `${olderThanSeconds}_${keepFilesInUse}`,
+			},
 		});
 	}