diff --git a/yt-conv b/yt-conv
index 0d14fc6..8d5e833 100755
--- a/yt-conv
+++ b/yt-conv
@@ -26,9 +26,9 @@ set -euo pipefail
 
 CLIP=0
 
-if [ $# -ne 1 ]
+if [ $# -lt 1 ]
 then
-	>&2 echo "Usage: $0 <url>"
+	>&2 echo "Usage: $0 [-c] <url>"
 	exit 1
 fi