diff --git a/package/rng-tools/rngd.service b/package/rng-tools/rngd.service
index 3bdc4c11a7..c0bcffe59e 100644
--- a/package/rng-tools/rngd.service
+++ b/package/rng-tools/rngd.service
@@ -2,8 +2,9 @@
 Description=Hardware RNG Entropy Gatherer Daemon
 
 [Service]
-ExecStart=/usr/sbin/rngd -f
+ExecStart=/usr/sbin/rngd -f $DAEMON_ARGS
 SuccessExitStatus=66
+EnvironmentFile=-/etc/default/rngd
 
 [Install]
 WantedBy=multi-user.target