diff --git a/script/image-create.sh b/script/image-create.sh
index e3b002eae6..9daf52a5a7 100755
--- a/script/image-create.sh
+++ b/script/image-create.sh
@@ -41,7 +41,7 @@ MOUNT_DIR="${MOUNT_DIR:-$BANAN_BUILD_DIR/bananmnt}"
 truncate -s 0 "$BANAN_DISK_IMAGE_PATH"
 truncate -s $DISK_SIZE "$BANAN_DISK_IMAGE_PATH"
 
-if [ "$BANAN_UEFI_BOOT" == "1" ]; then
+if (($BANAN_UEFI_BOOT)); then
 	sed -e 's/\s*\([-\+[:alnum:]]*\).*/\1/' << EOF | fdisk "$BANAN_DISK_IMAGE_PATH" > /dev/null
 	  g     # gpt
 	  n     # new partition
@@ -92,7 +92,7 @@ sudo mkfs.ext2 -b 1024 -q $PARTITION2
 sudo mkdir -p $MOUNT_DIR || { echo "Failed to create banan mount dir."; exit 1; }
 
 if [[ "$BANAN_BOOTLOADER" == "GRUB" ]]; then
-	if [[ "$BANAN_UEFI_BOOT" == "1" ]]; then
+	if (($BANAN_UEFI_BOOT)); then
 		sudo mkfs.fat $PARTITION1 > /dev/null
 		sudo mount $PARTITION1 "$MOUNT_DIR"
 		sudo mkdir -p "$MOUNT_DIR/EFI/BOOT"
@@ -119,7 +119,7 @@ sudo rm -rf $MOUNT_DIR || { echo "Failed to remove banan mount dir."; exit 1; }
 if [[ "$BANAN_BOOTLOADER" == "GRUB" ]]; then
 	echo > /dev/null
 elif [[ "$BANAN_BOOTLOADER" == "BANAN" ]]; then
-	if [[ "$BANAN_UEFI_BOOT" == "1" ]]; then
+	if (($BANAN_UEFI_BOOT)); then
 		echo "banan bootloader does not support UEFI" >&2
 		exit 1
 	fi
@@ -128,4 +128,3 @@ else
 	echo "unrecognized bootloader $BANAN_BOOTLOADER" >&2
 	exit 1
 fi
-
diff --git a/script/qemu.sh b/script/qemu.sh
index c472abf85b..8683dbcd5c 100755
--- a/script/qemu.sh
+++ b/script/qemu.sh
@@ -9,7 +9,7 @@ if [[ -z $OVMF_PATH ]]; then
 	OVMF_PATH="/usr/share/ovmf/x64/OVMF.fd"
 fi
 
-if [[ "$BANAN_UEFI_BOOT" == "1" ]]; then
+if (($BANAN_UEFI_BOOT)); then
 	BIOS_ARGS="-bios $OVMF_PATH -net none"
 fi