diff --git a/dufs-bin/DEBBUILD b/dufs-bin/DEBBUILD
index f34a35b..da1e576 100644
--- a/dufs-bin/DEBBUILD
+++ b/dufs-bin/DEBBUILD
@@ -8,12 +8,12 @@ pkgdesc="A file server that supports static serving, uploading, searching, acces
 url="https://github.com/sigoden/dufs"
 maintainer="Leafee98 <me@leafee98.com>"
 
-arch="x86_64"
+_arch="x86_64"
 platform="unknown-linux-musl"
 
 
 source=(
-    "dufs-v${pkgver}-${arch}-${platform}.tar.gz::https://github.com/sigoden/dufs/releases/download/v${pkgver}/dufs-v${pkgver}-${arch}-${platform}.tar.gz"
+    "dufs-v${pkgver}-${_arch}-${platform}.tar.gz::https://github.com/sigoden/dufs/releases/download/v${pkgver}/dufs-v${pkgver}-${_arch}-${platform}.tar.gz"
     "dufs.service::materials/dufs.service"
 )