diff --git a/.SRCINFO b/.SRCINFO
index 919bf0db7f9e..b96d3bc354da 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -7,7 +7,9 @@ pkgbase = liquidwar6-extra-maps
 	license = GPL
 	depends = liquidwar6=0.4.3681
 	source = http://download.savannah.gnu.org/releases/liquidwar6/0.4.3681/liquidwar6-extra-maps-0.4.3681.tar.gz
+	source = http://download.savannah.gnu.org/releases/liquidwar6/0.4.3681/liquidwar6-extra-maps-0.4.3681.tar.gz.sig
 	sha256sums = 32ffe94781aade93ca26919220b434a26dbde9260655bf6733f19d5df41abc65
+	sha256sums = SKIP
 
 pkgname = liquidwar6-extra-maps
 
diff --git a/PKGBUILD b/PKGBUILD
index 2afae59202b2..5bb298d7d16c 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,4 +1,4 @@
-# Maintainer: carstene1ns <arch carsten-teibes de>
+# Maintainer: carstene1ns <arch carsten-teibes de> - http://git.io/ctPKG
 # Contributor: Heine Laursen <zannvip at gmail dot com>
 # Contributor: Dany Martineau <dany.luc.martineau gmail com>
 
@@ -10,8 +10,10 @@ arch=('any')
 url="http://www.gnu.org/software/liquidwar6/"
 license=('GPL')
 depends=("liquidwar6=$pkgver")
-source=("http://download.savannah.gnu.org/releases/liquidwar6/$pkgver/$pkgname-$pkgver.tar.gz")
-sha256sums=('32ffe94781aade93ca26919220b434a26dbde9260655bf6733f19d5df41abc65')
+source=("http://download.savannah.gnu.org/releases/liquidwar6/$pkgver/$pkgname-$pkgver.tar.gz"{,.sig})
+sha256sums=('32ffe94781aade93ca26919220b434a26dbde9260655bf6733f19d5df41abc65'
+            'SKIP')
+validpgpkeys=("47621EBA5FA3E62F299CB0BBDE3F2BCDFD409E94") # Christian Mauduit
 
 build() {
   cd $pkgname-$pkgver
@@ -21,7 +23,5 @@ build() {
 }
 
 package() {
-  cd $pkgname-$pkgver
-
-  make DESTDIR="$pkgdir/" install
+  make -C $pkgname-$pkgver DESTDIR="$pkgdir/" install
 }