diff --git a/pkg/postinst b/pkg/postinst
index c1c44c2..a41eff5 100644
--- a/pkg/postinst
+++ b/pkg/postinst
@@ -2,6 +2,8 @@
 
 set -e
 
-systemctl daemon-reload
+if command -v systemctl >/dev/null 2>&1; then
+    systemctl daemon-reload
+fi
 
 exit 0