diff --git a/files/initrd/opt/arc/init.sh b/files/initrd/opt/arc/init.sh
index a7b7b94a..0492c2f5 100755
--- a/files/initrd/opt/arc/init.sh
+++ b/files/initrd/opt/arc/init.sh
@@ -10,6 +10,9 @@ set -e
 # Get Loader Disk Bus
 BUS=$(getBus "${LOADER_DISK}")
 
+# Check if machine has EFI
+[ -d /sys/firmware/efi ] && EFI=1 || EFI=0
+
 # Print Title centralized
 clear
 COLUMNS=${COLUMNS:-50}