diff --git a/cmd/revid-cli/main.go b/cmd/revid-cli/main.go
index ff53a176..c98513cc 100644
--- a/cmd/revid-cli/main.go
+++ b/cmd/revid-cli/main.go
@@ -108,7 +108,7 @@ func handleFlags() revid.Config {
 	var (
 		cpuprofile = flag.String("cpuprofile", "", "write cpu profile to `file`")
 
-		inputCodecPtr         = flag.String("InputCodec", "", "The codec of the input: H264, Mjpeg, PCM, ADPCM")
+		inputCodecPtr         = flag.String("InputCodec", "H264", "The codec of the input: H264, Mjpeg, PCM, ADPCM")
 		inputPtr              = flag.String("Input", "", "The input type: Raspivid, File, v4l, Audio, RTSP")
 		rtspURLPtr            = flag.String("RTSPURL", "", "The URL for an RTSP server.")
 		quantizePtr           = flag.Bool("Quantize", false, "Quantize input (non-variable bitrate)")
@@ -203,7 +203,6 @@ func handleFlags() revid.Config {
 		cfg.InputCodec = codecutil.PCM
 	case "ADPCM":
 		cfg.InputCodec = codecutil.ADPCM
-	case "":
 	default:
 		log.Log(logger.Error, pkg+"bad input codec argument")
 	}