diff --git a/configure b/configure
index 8ae5c83..6d4eab0 100755
--- a/configure
+++ b/configure
@@ -168,8 +168,13 @@ function define_disk_layout() {
 	local swapdev
 	case "$PARTITIONING_SCHEME" in
 		"classic_single_disk") define_disk_configuration_function "create_classic_single_disk_layout swap=$(define_swap) type=${PARTITIONING_BOOT_TYPE@Q} luks=${PARTITIONING_USE_LUKS@Q} root_fs=${PARTITIONING_ROOT_FS@Q}" "${PARTITIONING_DEVICE@Q}" ;;
-		"existing_partitions") swapdev=${PARTITIONING_SWAP_DEVICE:-false}
-		                       define_disk_configuration_function "create_existing_partitions_layout boot=${PARTITIONING_BOOT_DEVICE@Q} swap=${swapdev@Q} type=${PARTITIONING_BOOT_TYPE@Q}" "${PARTITIONING_DEVICE@Q}" ;;
+		"existing_partitions")
+			if [[ "$PARTITIONING_USE_SWAP" ]]; then
+				swapdev=${PARTITIONING_SWAP_DEVICE:-false}
+			else
+				swapdev=false
+			fi
+		    define_disk_configuration_function "create_existing_partitions_layout boot=${PARTITIONING_BOOT_DEVICE@Q} swap=${swapdev@Q} type=${PARTITIONING_BOOT_TYPE@Q}" "${PARTITIONING_DEVICE@Q}" ;;
 		"zfs_centric")         define_disk_configuration_function "create_zfs_centric_layout swap=$(define_swap) type=${PARTITIONING_BOOT_TYPE@Q} encrypt=${PARTITIONING_ZFS_USE_ENCRYPTION@Q} compress=$(define_zfs_compression) pool_type=${PARTITIONING_ZFS_POOL_TYPE@Q}" "${PARTITIONING_DEVICES[@]@Q}" ;;
 		"btrfs_centric")       define_disk_configuration_function "create_btrfs_centric_layout swap=$(define_swap) type=${PARTITIONING_BOOT_TYPE@Q} raid_type=${PARTITIONING_BTRFS_RAID_TYPE@Q} luks=${PARTITIONING_USE_LUKS@Q}" "${PARTITIONING_DEVICES[@]@Q}" ;;
 		"raid0_luks")          define_disk_configuration_function "create_raid0_luks_layout swap=$(define_swap) type=${PARTITIONING_BOOT_TYPE@Q} root_fs=${PARTITIONING_ROOT_FS@Q}" "${PARTITIONING_DEVICES[@]@Q}" ;;