diff --git a/script/build/roms b/script/build/roms
index 8357284..6558422 100755
--- a/script/build/roms
+++ b/script/build/roms
@@ -398,8 +398,10 @@ build_grub_roms()
 			newrom="${romdir}/${payload1}_${board}_" && \
 			newrom="${newrom}${initmode}_${keymap}.rom"
 		x_ moverom "${tmpgrubrom}" "${newrom}"
-		[ "${payload_seabios_grubonly}" = "y" ] && \
+		if [ "${payload_seabios_grubonly}" = "y" ]; then
+			mkSeagrubRom "${tmpgrubrom}" "${newrom}"
 			mkSeabiosGrubonlyRom "${tmpgrubrom}" "${newrom}"
+		fi
 		x_ rm -f "${tmpgrubrom}"
 	done
 }
@@ -428,7 +430,7 @@ mkSeabiosRom() {
 }
 
 # SeaGRUB configuration
-mkSeabiosGrubonlyRom()
+mkSeagrubRom()
 {
 	_grubrom="${1}"
 	_newrom="${2}"
@@ -441,7 +443,17 @@ mkSeabiosGrubonlyRom()
 	    add -f "${tmpbootorder}" -n bootorder -t raw
 	x_ rm -f "${tmpbootorder}"
 
+	x_ moverom "${_grubrom}" "${_newrom%.rom}_grubfirst.rom"
+}
+
+# SeaGRUB, and disable the SeaBIOS menu (grub only)
+mkSeabiosGrubonlyRom()
+{
+	_grubrom="${1}"
+	_newrom="${2}"
+
 	x_ "${cbfstool}" "${_grubrom}" add-int -i 0 -n etc/show-boot-menu
+
 	x_ moverom "${_grubrom}" "${_newrom%.rom}_grubonly.rom"
 }