diff --git a/support/systemd/rts-awgtpman@.service b/support/systemd/rts-awgtpman@.service
index 4237ef72ffb322c489ece884a8aea7a044e04170..940c817528bb6c1884bfefe47afc97ed28f64892 100644
--- a/support/systemd/rts-awgtpman@.service
+++ b/support/systemd/rts-awgtpman@.service
@@ -9,6 +9,6 @@ User=advligorts
 CapabilityBoundingSet=CAP_NET_BIND_SERVICE
 CapabilityBoundingSet=CAP_SYS_NICE
 AmbientCapabilities=CAP_SYS_NICE
+EnvironmentFile=/etc/advligorts/systemd_env
 ExecStart=/usr/bin/rts_awgtpman_exec %i
 Restart=always
-EnvironmentFile=/etc/advligorts/systemd_env