diff --git a/backup.sh b/backup.sh
index f1f50efc..cda39ed5 100755
--- a/backup.sh
+++ b/backup.sh
@@ -16,6 +16,11 @@ if [ $EUID -eq 0 ]; then
 fi
 
 if [[ $* == *--schedule* ]]; then
+    if ! sudo -n true 2>/dev/null; then
+        echo -ne "${RED}Error: Passwordless sudo is required for scheduling.${NC}\n"
+        exit 1
+    fi
+    
     (
         crontab -l 2>/dev/null
         echo "0 0 * * * /rmm/backup.sh --auto > /dev/null 2>&1"