diff --git a/server/src/services/system-config.service.spec.ts b/server/src/services/system-config.service.spec.ts
index 39915992df..95618f4191 100644
--- a/server/src/services/system-config.service.spec.ts
+++ b/server/src/services/system-config.service.spec.ts
@@ -459,7 +459,7 @@ describe(SystemConfigService.name, () => {
       {
         should: 'validate av1 parallelism setting',
         config: { ffmpeg: { targetVideoCodec: VideoCodec.Av1, threads: 7 } },
-        throws: '[ffmpeg] AV1 threads/parallelism must be 0 or 1–6',
+        throws: '[ffmpeg] Threads: for AV1, parallelism must be 0–6',
       },
     ];