diff --git a/sshd-keygen.service b/sshd-keygen.service
index bfef328..c4af598 100644
--- a/sshd-keygen.service
+++ b/sshd-keygen.service
@@ -5,6 +5,7 @@ Before=sshd.service
 
 [Service]
 Type=oneshot
+EnvironmentFile=/etc/sysconfig/sshd
 ExecStart=/usr/sbin/sshd-keygen
 RemainAfterExit=yes