diff --git a/vm-systemd/qubes-sync-time.service b/vm-systemd/qubes-sync-time.service
index 11c91f1..e611a42 100644
--- a/vm-systemd/qubes-sync-time.service
+++ b/vm-systemd/qubes-sync-time.service
@@ -1,7 +1,8 @@
 [Unit]
 Description=Update time from ClockVM
+After=qubes-qrexec-agent.service
 ConditionPathExists=!/var/run/qubes-service/clocksync
 
 [Service]
 ExecStart=/usr/bin/qvm-sync-clock
-User=root
\ No newline at end of file
+User=root