diff --git a/vtun.spec b/vtun.spec
index 64c276f..bf5be37 100644
--- a/vtun.spec
+++ b/vtun.spec
@@ -1,6 +1,6 @@
 Name: vtun
 Version: 3.0.3
-Release: 4%{?dist}
+Release: 5%{?dist}
 Summary: Virtual tunnel over TCP/IP networks
 License: GPLv2+
 Group: System Environment/Daemons
@@ -13,7 +13,7 @@ Patch0: vtun-nostrip.patch
 Requires(post): systemd-units
 Requires(preun): systemd-units
 Requires(postun): systemd-units
-BuildRequires: zlib-devel lzo-devel openssl-devel bison flex systemd-units
+BuildRequires: zlib-devel lzo-devel openssl-devel bison flex systemd-units autoconf
 
 #enable PIE/PIC:
 %global _hardened_build 1
@@ -33,6 +33,7 @@ require modification to any kernel parts.
 %patch0 -p1
 
 %build
+%{__autoconf}
 %configure
 make %{?_smp_mflags}
 
@@ -64,6 +65,9 @@ make install DESTDIR=%{buildroot} INSTALL_OWNER= INSTALL="/usr/bin/install -p"
 %{_mandir}/man8/vtund.8*
 
 %changelog
+* Mon May 13 2013 Gabriel Somlo <somlo at cmu.edu> 2.0.5-5
+- added autoconf step to support aarch64 (#926708)
+
 * Wed May 01 2013 Gabriel Somlo <somlo at cmu.edu> 3.0.3-4
 - rebuild with PIE (#955286)