diff --git a/sys/devel/autoconf/ympbuild b/sys/devel/autoconf/ympbuild
index 75adaf16..19cadf62 100644
--- a/sys/devel/autoconf/ympbuild
+++ b/sys/devel/autoconf/ympbuild
@@ -7,7 +7,7 @@ description='A GNU tool for automatically configuring source code'
 email='aliriza.keskin@pardus.org.tr'
 maintainer='aliriza'
 license=('GPLv3')
-source=('https://ftp.gnu.org/gnu/autoconf/autoconf-2.71.tar.xz')
+source=("https://ftp.gnu.org/gnu/autoconf/autoconf-${version}.tar.xz")
 depends=( )
 makedepends=( )
 group=(sys.devel)