diff --git a/Makefile b/Makefile
index 0362032..eb5872b 100644
--- a/Makefile
+++ b/Makefile
@@ -9,6 +9,7 @@ VARIANT = Server
 WEB_UI = false
 REPOS = /etc/yum.repos.d/fedora.repo /etc/yum.repos.d/fedora-updates.repo
 ADDITIONAL_TEMPLATES = ""
+EXTRA_BOOT_PARAMS = 
 ROOTFS_SIZE = 4
 
 # Generated vars
@@ -118,6 +119,8 @@ container/$(IMAGE_NAME)-$(IMAGE_TAG):
 
 # Step 5: Generate xorriso script
 xorriso/%.sh: xorriso/%.sh.in
+	find results
+	sed -i 's/quiet/quiet $(EXTRA_BOOT_PARAMS)' results/grub/grub.cfg
 	$(eval _VARS = IMAGE_NAME IMAGE_TAG ARCH VERSION)
 	$(foreach var,$(_VARS),$(var)=$($(var))) envsubst '$(foreach var,$(_VARS),$$$(var))' < $(_BASE_DIR)/xorriso/$*.sh.in > $(_BASE_DIR)/xorriso/$*.sh 
 
diff --git a/xorriso/gen_input.sh.in b/xorriso/gen_input.sh.in
index b660e1b..e1edc52 100644
--- a/xorriso/gen_input.sh.in
+++ b/xorriso/gen_input.sh.in
@@ -5,6 +5,8 @@ echo "-outdev $(pwd)/build/deploy.iso"
 echo "-boot_image any replay"
 echo "-joliet on"
 echo "-compliance joliet_long_names"
+echo "-map $(pwd)/results/grub/grub.cfg grub/grub.cfg"
+echo "-chmod 0444 grub/grub.cfg
 pushd container > /dev/null
 for file in $(find ${IMAGE_NAME}-${IMAGE_TAG})
 do