diff --git a/includes/post-install.ksi b/includes/post-install.ksi
index bc0060d..8ca479c 100644
--- a/includes/post-install.ksi
+++ b/includes/post-install.ksi
@@ -10,7 +10,7 @@ DEFAULT_USERNAME='rocky'
 DEFAULT_PASSWORD='rockylinux'
 DEFAULT_GROUPS='wheel'
 
-useradd --comment "Rocky Linux" \
+$(command -v useradd) --comment "Rocky Linux" \
     --uid 1000 \
     --create-home \
     --user-group "${DEFAULT_USERNAME}" \