diff --git a/yt-dlp-ntfy.sh b/yt-dlp-ntfy.sh
index dbbe30a..e10008b 100755
--- a/yt-dlp-ntfy.sh
+++ b/yt-dlp-ntfy.sh
@@ -5,7 +5,7 @@ set -ueo pipefail
 PID_FILE="/tmp/yt-dlp-ntfy.pid"
 
 # Check if the script is already running
-if [ -e "$PID_FILE" ] && kill -0 $(cat "$PID_FILE"); then
+if [ -e "$PID_FILE" ] && kill -0 $(cat "$PID_FILE") &>/dev/null; then
     echo "Script is already running. Exiting."
     exit 1
 fi