diff --git a/deploy/iso/minikube-iso/package/vbox-guest/vboxservice.service b/deploy/iso/minikube-iso/package/vbox-guest/vboxservice.service
index 01a07184bc..547cbfc712 100644
--- a/deploy/iso/minikube-iso/package/vbox-guest/vboxservice.service
+++ b/deploy/iso/minikube-iso/package/vbox-guest/vboxservice.service
@@ -6,7 +6,9 @@ ConditionVirtualization=oracle
 ExecStartPre=-/usr/sbin/modprobe vboxguest
 ExecStartPre=-/usr/sbin/modprobe vboxvideo
 ExecStartPre=-/usr/sbin/modprobe vboxsf
-ExecStart=/usr/sbin/VBoxService -f --disable-automount
+# Normally, VirtualBox only syncs every 20 minutes. This syncs on start,
+# restore, and forces an immediate sync if VM time is over 5 seconds off.
+ExecStart=/usr/sbin/VBoxService -f --disable-automount --timesync-set-start --timesync-set-on-restore=1 --timesync-set-threshold 5000
 
 [Install]
 WantedBy=multi-user.target