diff --git a/main/libisoburn/APKBUILD b/main/libisoburn/APKBUILD
index 3f0d957e125625e1953899b295cbb41561198152..df6e625f3c2892b45e882e6ee1d7232a7e2914ad 100644
--- a/main/libisoburn/APKBUILD
+++ b/main/libisoburn/APKBUILD
@@ -16,6 +16,11 @@ makedepends="
 subpackages="$pkgname-dev $pkgname-doc xorriso:_xorriso"
 source="https://files.libburnia-project.org/releases/libisoburn-$pkgver.tar.gz"
 
+prepare() {
+	default_prepare
+	update_config_sub
+}
+
 build() {
 	CFLAGS="$CFLAGS -flto=auto" \
 	./configure \