diff --git a/gentoo-gnome.sh b/gentoo-gnome.sh
index c604ece..3f2b778 100644
--- a/gentoo-gnome.sh
+++ b/gentoo-gnome.sh
@@ -463,13 +463,14 @@ btrfs-tweaks() {
 }
 
 initialize-disk() {
-	export SWAP_SIZE="$(expr $ROOT_PARTITION_SIZE + 16)GiB"
+	SWAP_SIZE=$(expr $ROOT_PARTITION_SIZE + 16)
+	SWAP_VAL="$SWAP_SIZE GiB"
 	parted /dev/$HARD_DISK mklabel gpt
 	parted -a optimal /dev/$HARD_DISK mkpart primary fat32 1MiB 200MiB
 	parted -a optimal /dev/$HARD_DISK mkpart primary ext3 200MiB $ROOT_PARTITION_SIZE
 	parted -a optimal /dev/$HARD_DISK set 1 esp on
-	echo parted -a optimal /dev/$HARD_DISK mkpart P2 ext3 $ROOT_PARTITION_SIZE ${SWAP_SIZE}
-	echo parted -a optimal /dev/$HARD_DISK mkpart P2 ext3 ${SWAP_SIZE} 100%
+	echo parted -a optimal /dev/$HARD_DISK mkpart P2 ext3 $ROOT_PARTITION_SIZE ${SWAP_VAL}
+	echo parted -a optimal /dev/$HARD_DISK mkpart P2 ext3 ${SWAP_VAL} 100%
 	echo $SWAP_SIZE $ROOT_PARTITION_SIZE
 	sleep 5
 	partitionDetection