diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 21dbccb..7b66fee 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -3,7 +3,7 @@ image: docker:latest
 variables:
   GIT_STRATEGY: fetch
   GIT_SUBMODULE_STRATEGY: recursive
-  PACKER_VERSION: 1.2.0
+  PACKER_VERSION: 1.4.3
   ANNOUNCE: http://labsync.lab.fablab-nea.de:6969/announce
   WEBSEED: http://labsync.lab.fablab-nea.de/labsync/$CI_COMMIT_REF_NAME/$CI_PIPELINE_ID/images
   DOCKER_IMAGE_BUILDER: ${CI_REGISTRY_IMAGE}/labsync-builder:$CI_COMMIT_REF_SLUG
diff --git a/Makefile b/Makefile
index c6b559e..918a31c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-PACKER_VERSION ?= 1.3.5
+PACKER_VERSION ?= 1.4.3
 ANNOUNCE ?= http://10.2.2.1:6969/announce
 WEBSEED ?= http://10.2.2.1
 
diff --git a/packer/ansible/roles/labsync/files/labsync-install-localboot.sh b/packer/ansible/roles/labsync/files/labsync-install-localboot.sh
index e496484..e5a39cc 100755
--- a/packer/ansible/roles/labsync/files/labsync-install-localboot.sh
+++ b/packer/ansible/roles/labsync/files/labsync-install-localboot.sh
@@ -14,6 +14,6 @@ if [ -z "$localboot" ]; then
 	sed -i 's/^\(GRUB_DEVICE=\).*$/\1""/' /usr/sbin/grub-mkconfig
 	#sed -i 's/^\(GRUB_CMDLINE_LINUX_DEFAULT=\).*$/\1'"'quiet boot=labsync labsync_localboot=\"$LABSYNC\"'/" /etc/default/grub
 	sed -i 's/^\(GRUB_CMDLINE_LINUX=\).*$/\1'"'boot=labsync labsync_localboot=\"$LABSYNC\"'/" /etc/default/grub
-	sed -i 's/^\(GRUB_TIMEOUT\)=.*$/\1=0/' /etc/default/grub
+	sed -i 's/^\(GRUB_TIMEOUT\)=.*$/\1=1/' /etc/default/grub
 	update-grub
 fi
diff --git a/packer/initramfs/labsync b/packer/initramfs/labsync
index 2b92337..b9f20db 100755
--- a/packer/initramfs/labsync
+++ b/packer/initramfs/labsync
@@ -154,7 +154,7 @@ PARTTABLE
 			lvm vgcreate "$vg_name" "$pv_device"
 		fi
 
-		lvm lvchange -ay vglab
+		lvm lvchange -ay "$vg_name"
 
 		labsync_create_or_resize_lv "$vg_name" "$lv_name_sqashfs" $((image_size_bytes * 2)) $image_size_bytes
 		labsync_create_or_resize_lv "$vg_name" "$lv_name_overlay" $((10000 * 1024 * 1024))
@@ -187,6 +187,7 @@ PARTTABLE
 		lv_name_overlay="ovly-$labsync_localboot"
 		lv_path_squashfs="$(labsync_lv_path "$vg_name" "$lv_name_sqashfs")"
 		lv_path_overlay="$(labsync_lv_path "$vg_name" "$lv_name_overlay")"
+		lvm lvchange -ay "$vg_name"
 	fi
 
 	labsync_info "Mounting squashfs and overlay"