diff --git a/tools/setup-autoconf.sh b/tools/setup-autoconf.sh
index b2f3f7fb..f4f4e2b0 100755
--- a/tools/setup-autoconf.sh
+++ b/tools/setup-autoconf.sh
@@ -22,7 +22,7 @@ rm -rf toolchain/build/autoconf-$AUTOCONF_VERSION
 
 echo "Extracting autoconf (precisely version 2.69)..."
 
-tar xf toolchain/tarballs/autoconf-$AUTOCONF_VERSION.tar.xz -C toolchain/build/
+tar xf toolchain/tarballs/autoconf-$AUTOCONF_VERSION.tar.gz -C toolchain/build/
 
 mkdir -p toolchain/build/build-autoconf