diff --git a/ProxmoxTimedShutdown.sh b/ProxmoxTimedShutdown.sh
index a3cdd48..54ac088 100644
--- a/ProxmoxTimedShutdown.sh
+++ b/ProxmoxTimedShutdown.sh
@@ -1,10 +1,17 @@
 #!/bin/bash
-CURRENT_TIME=$(date +%H:%M)
-SCH_SHUTDOWN_TIME="01:00"
+QUERY_BACKUP_TASK=$( ps -ef | grep vzdump | wc -l)
 
-if [[ $CURRENT_TIME > "00:00" ]] && [[ $CURRENT_TIME < "08:30" ]]; then
-        echo "Triggering scheduled post-backup shutdown at $SCH_SHUTDOWN_TIME"
-        shutdown -P $SCH_SHUTDOWN_TIME
+if ! [ -z $C_SHUTDOWN ]; then
+	if [ $C_SHUTDOWN -eq "1" ]; then
+		echo "Shutdown has been cancelled due to ENV"
+		exit 1
+	fi
+fi
+
+if [ $QUERY_BACKUP_TASK -eq 1 ]; then
+        echo "Triggering scheduled post-backup shutdown"
+	/usr/sbin/shutdown -h now
 else
-        echo "Automatic shutdown not triggered due to current time"
+        echo "Automatic shutdown not triggered due to concurrent backup task"
+	exit 2
 fi
\ No newline at end of file