diff --git a/multios-usb.sh b/multios-usb.sh
index 0018b24..ee138c6 100755
--- a/multios-usb.sh
+++ b/multios-usb.sh
@@ -10,7 +10,7 @@ set -eo pipefail
 
 # Defaults
 scriptname=$(basename "$0")
-fs_type="exfat"
+fs_type="$([ -x "$(command -v "mkfs.exfat" 2>/dev/null)" ] && echo "exfat" || echo "fat32")"
 data_size=""
 efi_size="25M"
 data_label="MultiOS-USB"