diff --git a/main/libmpeg2/APKBUILD b/main/libmpeg2/APKBUILD
index bb18dab5232..ac8999493ec 100644
--- a/main/libmpeg2/APKBUILD
+++ b/main/libmpeg2/APKBUILD
@@ -15,6 +15,11 @@ source="http://$pkgname.sourceforge.net/files/$pkgname-$pkgver.tar.gz
 
 builddir="$srcdir/$pkgname-$pkgver"
 
+prepare() {
+	update_config_sub
+	default_prepare
+}
+
 build() {
 	cd "$builddir"
 	./configure \