diff --git a/.SRCINFO b/.SRCINFO
index 28db678..291a8aa 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -28,6 +28,7 @@ pkgbase = linux-vfio
 	source = 1002-i915-vga-arbiter.patch
 	validpgpkeys = ABAF11C65A2970B130ABE3C479BE3E4300411886
 	validpgpkeys = 647F28654894E3BD457199BE38DBBDC86092693E
+	validpgpkeys = A2FF3A36AAA56654109064AB19802F8B0D70FC30
 	sha256sums = 5036c434e11e4b36d8da3f489851f7f829cf785fa7f7887468537a9ea4572416
 	sha256sums = SKIP
 	sha256sums = 77f0ad619945e18ab880733129a49ad0af28c3f2fd7b1ae9bbb6465b5a4cd316
diff --git a/PKGBUILD b/PKGBUILD
index 42759fd..1623cc4 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -46,6 +46,7 @@ source=(
 validpgpkeys=(
   ABAF11C65A2970B130ABE3C479BE3E4300411886  # Linus Torvalds
   647F28654894E3BD457199BE38DBBDC86092693E  # Greg Kroah-Hartman
+  A2FF3A36AAA56654109064AB19802F8B0D70FC30  # Jan Alexander Steffens (heftig)
 )
 sha256sums=(
   '5036c434e11e4b36d8da3f489851f7f829cf785fa7f7887468537a9ea4572416'
@@ -80,6 +81,9 @@ prepare() {
     patch -Np1 -F100 -i "../$src"
   done
 
+  # remove extra version suffix
+  sed -E 's&^(EXTRAVERSION =).*$&\1&' -i Makefile
+
   echo "Setting config..."
   cp ../config .config
   make olddefconfig