diff --git a/includes/post-install.ksi b/includes/post-install.ksi
index a2c2d9d..83d5678 100644
--- a/includes/post-install.ksi
+++ b/includes/post-install.ksi
@@ -7,9 +7,9 @@ echo "nameserver 1.1.1.1" > /etc/resolv.conf
 
 # The script that expands root partition
 [ -d /usr/local/bin ] || mkdir --verbose /usr/local/bin
-curl 'https://git.resf.org/thefossguy/rocky-linux-generic-images/raw/branch/r9/scripts/expand-rootfs.sh' --output expand-rootfs.sh
-mv -v f expand-rootfs.sh /usr/local/bin/expand-rootfs.sh
-chmod --verbose +x /usr/local/bin/expand-rootfs.sh
+curl 'https://git.resf.org/thefossguy/rocky-linux-generic-images/raw/branch/r9/scripts/expand-rootfs.sh' --output /usr/local/bin/expand-rootfs.sh
+[ -f /usr/local/bin/expand-rootfs.sh ] && \
+    chmod --verbose +x /usr/local/bin/expand-rootfs.sh
 
 # Rebuild the RPM database
 rpm --rebuilddb