diff --git a/extras/bin/agent-shutdown b/extras/bin/agent-shutdown
index 1c6bc64..c8ab254 100755
--- a/extras/bin/agent-shutdown
+++ b/extras/bin/agent-shutdown
@@ -21,7 +21,7 @@ Before=shutdown.target reboot.target halt.target
 
 [Service]
 Type=oneshot
-ExecStart=/bin/sh -c \"kill -SIGUSR1 `pgrep -f "subutai daemon"`\"
+ExecStart=/bin/sh -c \"/bin/kill -SIGUSR1 \`pgrep -f '[s]ubutai daemon'\`\"
 
 [Install]
 WantedBy=halt.target reboot.target shutdown.target" > $DIR/$UNIT