diff --git a/types/lvm_pv.nix b/types/lvm_pv.nix
index 03a95c7..1bf1c10 100644
--- a/types/lvm_pv.nix
+++ b/types/lvm_pv.nix
@@ -23,7 +23,7 @@
       inherit config options;
       default = { dev }: ''
         pvcreate ${dev}
-        echo "${dev}" >> $disko_devices_dir/lvm_${config.vg}
+        echo "${dev}" >> "$disko_devices_dir"/lvm_${config.vg}
       '';
     };
     _mount = diskoLib.mkMountOption {
diff --git a/types/lvm_vg.nix b/types/lvm_vg.nix
index ba313e1..ac7c2fa 100644
--- a/types/lvm_vg.nix
+++ b/types/lvm_vg.nix
@@ -27,7 +27,9 @@
     _create = diskoLib.mkCreateOption {
       inherit config options;
       default = _: ''
-        vgcreate ${config.name} $(tr '\n' ' ' < $disko_devices_dir/lvm_${config.name})
+        readarray -t lvm_devices < <(cat "$disko_devices_dir"/lvm_${config.name})
+        vgcreate ${config.name} \
+        "''${lvm_devices[@]}"
         ${lib.concatMapStrings (lv: lv._create {vg = config.name; }) (lib.attrValues config.lvs)}
       '';
     };
diff --git a/types/mdadm.nix b/types/mdadm.nix
index d2b3937..5d1f043 100644
--- a/types/mdadm.nix
+++ b/types/mdadm.nix
@@ -34,13 +34,14 @@
     _create = diskoLib.mkCreateOption {
       inherit config options;
       default = _: ''
+        readarray -t disk_devices < <(cat "$disko_devices_dir"/raid_${config.name})
         echo 'y' | mdadm --create /dev/md/${config.name} \
           --level=${toString config.level} \
-          --raid-devices=$(wc -l $disko_devices_dir/raid_${config.name} | cut -f 1 -d " ") \
+          --raid-devices="$(wc -l "$disko_devices_dir"/raid_${config.name} | cut -f 1 -d " ")" \
           --metadata=${config.metadata} \
           --force \
           --homehost=any \
-          $(tr '\n' ' ' < $disko_devices_dir/raid_${config.name})
+          "''${disk_devices[@]}"
         udevadm trigger --subsystem-match=block; udevadm settle
         ${lib.optionalString (config.content != null) (config.content._create {dev = "/dev/md/${config.name}";})}
       '';
diff --git a/types/mdraid.nix b/types/mdraid.nix
index 6eb24bc..52b7b03 100644
--- a/types/mdraid.nix
+++ b/types/mdraid.nix
@@ -23,7 +23,7 @@
     _create = diskoLib.mkCreateOption {
       inherit config options;
       default = { dev }: ''
-        echo "${dev}" >> $disko_devices_dir/raid_${config.name}
+        echo "${dev}" >> "$disko_devices_dir"/raid_${config.name}
       '';
     };
     _mount = diskoLib.mkMountOption {
diff --git a/types/zfs.nix b/types/zfs.nix
index b30ad44..26e53ab 100644
--- a/types/zfs.nix
+++ b/types/zfs.nix
@@ -22,7 +22,7 @@
     _create = diskoLib.mkCreateOption {
       inherit config options;
       default = { dev }: ''
-        echo "${dev}" >> $disko_devices_dir/zfs_${config.pool}
+        echo "${dev}" >> "$disko_devices_dir"/zfs_${config.pool}
       '';
     };
     _mount = diskoLib.mkMountOption {
diff --git a/types/zpool.nix b/types/zpool.nix
index de2b70d..0a7e66a 100644
--- a/types/zpool.nix
+++ b/types/zpool.nix
@@ -52,11 +52,12 @@
     _create = diskoLib.mkCreateOption {
       inherit config options;
       default = _: ''
+        readarray -t zfs_devices < <(cat "$disko_devices_dir"/zfs_${config.name})
         zpool create ${config.name} \
           ${config.mode} \
           ${lib.concatStringsSep " " (lib.mapAttrsToList (n: v: "-o ${n}=${v}") config.options)} \
           ${lib.concatStringsSep " " (lib.mapAttrsToList (n: v: "-O ${n}=${v}") config.rootFsOptions)} \
-          $(tr '\n' ' ' < $disko_devices_dir/zfs_${config.name})
+          "''${zfs_devices[@]}"
         ${lib.concatMapStrings (dataset: dataset._create {zpool = config.name;}) (lib.attrValues config.datasets)}
       '';
     };