diff --git a/a/kernel-gwh/SlackBuild b/a/kernel-gwh/SlackBuild
index 650384e6..b8cf913c 100755
--- a/a/kernel-gwh/SlackBuild
+++ b/a/kernel-gwh/SlackBuild
@@ -34,8 +34,8 @@ else
         SRC_URL="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/snapshot"
     fi
 
-    [ ! -e "$CWD"/linux-"$VERSION".tar.gz ] && wget -c "$SRC_URL/linux-$VERSION.tar.gz" -O "$CWD/linux-$VERSION.tar.gz"
-    tar xf "$CWD/linux-$VERSION.tar.gz" -C "$PKG/usr/src/"
+    [ ! -e "$CWD"/linux-"$VERSION".tar.xz ] && wget -c "$SRC_URL/linux-$VERSION.tar.xz" -O "$CWD/linux-$VERSION.tar.xz"
+    tar xf "$CWD/linux-$VERSION.tar.xz" -C "$PKG/usr/src/"
 fi
 
 cd "$PKG/usr/src/" || exit 1
@@ -106,6 +106,7 @@ grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=grub
 echo OK
 
 echo -n "building initrd… "
+cd /
 eval \$(/usr/share/mkinitrd/mkinitrd_command_generator.sh -k $VERSION -r | sed "s|/boot/initrd.gz|/boot/initrd-gwh-${VERSION}.gz|")
 echo "OK"