diff --git a/lib/syncthing/syncthing.go b/lib/syncthing/syncthing.go
index 7f74aa6db..f3aaba8ec 100644
--- a/lib/syncthing/syncthing.go
+++ b/lib/syncthing/syncthing.go
@@ -162,8 +162,12 @@ func (a *App) startup() error {
 		}()
 	}
 
-	perf := ur.CpuBench(context.Background(), 3, 150*time.Millisecond)
-	slog.Info("Measured hashing performance", "perf", fmt.Sprintf("%.02f MB/s", perf))
+	if slog.Default().Enabled(context.Background(), slog.LevelInfo) {
+		go func() {
+			perf := ur.CpuBench(context.Background(), 3, 150*time.Millisecond)
+			slog.Info("Measured hashing performance", "perf", fmt.Sprintf("%.02f MB/s", perf))
+		}()
+	}
 
 	if a.opts.ResetDeltaIdxs {
 		slog.Info("Reinitializing delta index IDs")