diff --git a/testing/libntl/APKBUILD b/testing/libntl/APKBUILD
index 858b2171d9a..16626907a69 100644
--- a/testing/libntl/APKBUILD
+++ b/testing/libntl/APKBUILD
@@ -2,7 +2,7 @@
 # Maintainer: Grigory Kirillov <txgk@bk.ru>
 pkgname=libntl
 pkgver=11.5.1
-pkgrel=0
+pkgrel=1
 pkgdesc="Library for doing number theory"
 url="https://libntl.org"
 arch="all"
@@ -12,6 +12,14 @@ source="https://libntl.org/ntl-$pkgver.tar.gz"
 subpackages="$pkgname-static $pkgname-dev $pkgname-doc"
 builddir="$srcdir/ntl-$pkgver/src"
 
+prepare() {
+	default_prepare
+
+	cd libtool-origin
+	update_config_guess
+	update_config_sub
+}
+
 build() {
 	export CXXFLAGS="${CXXFLAGS/-Os/-O2}" # gotta go fast