diff --git a/recorder.go b/recorder.go
index d5ffd35..b954b75 100644
--- a/recorder.go
+++ b/recorder.go
@@ -80,7 +80,7 @@ func (rm *RecorderManager) StopAll() {
 //
 // Each segment is exactly 5 minutes. Gaps between segments are ~1-2s
 // (FFmpeg restart overhead). The -t 300 flag bounds the segment by input
-// duration, while -rw_timeout makes ffmpeg exit (rather than hang) when the
+// duration, while -timeout makes ffmpeg exit (rather than hang) when the
 // RTSP stream stalls, so the retry loop below can reconnect.
 func (rm *RecorderManager) startRecorder(cam CameraConfig) {
 	rtspURL := cam.RTSPMain
@@ -131,7 +131,7 @@ func (rm *RecorderManager) startRecorder(cam CameraConfig) {
 		cmd := exec.Command("ffmpeg",
 			"-hide_banner", "-loglevel", "error",
 			"-rtsp_transport", "tcp",
-			"-rw_timeout", "10000000", // 10s socket I/O timeout — exit on stalled stream
+			"-timeout", "10000000", // 10s socket I/O timeout — exit on stalled stream
 			"-i", rtspURL,
 			"-an",              // drop audio (pcm_mulaw not supported in MP4)
 			"-c:v", "copy",     // stream-copy video: zero transcoding, near-zero CPU