diff --git a/classify_videos.sh b/classify_videos.sh
index c5402d5..c0a0654 100755
--- a/classify_videos.sh
+++ b/classify_videos.sh
@@ -4,7 +4,7 @@ do
     if [ -n "${video_id}" ]; then
         echo "Video ID: '${video_id}'"
         channel=$(yt-dlp -J -- "${video_id}" | jq '.channel' | sed 's/"//g' | head -n1)
-        if [ -n "${channel}" ] && [ "${channel}" != "null" ]; then
+        if [ -z "${channel}" ] && [ "${channel}" == "null" ]; then
             channel='Unknwon channel'
         fi
         echo "Channel name: '${channel}'"