diff --git a/contrib/systemd/yggdrasil.service b/contrib/systemd/yggdrasil.service
index 3002e61b..fc3f9f68 100644
--- a/contrib/systemd/yggdrasil.service
+++ b/contrib/systemd/yggdrasil.service
@@ -11,7 +11,7 @@ ProtectHome=true
 ProtectSystem=true
 SyslogIdentifier=yggdrasil
 CapabilityBoundingSet=CAP_NET_ADMIN CAP_NET_RAW
-ExecStartPre=+-/sbin/modprobe tun
+ExecStartPre=/sbin/modprobe tun
 ExecStart=/usr/bin/yggdrasil -useconffile /etc/yggdrasil.conf
 ExecReload=/bin/kill -HUP $MAINPID
 Restart=always