diff --git a/pkg/de-p1st-installer/de-p1st-installer.sh b/pkg/de-p1st-installer/de-p1st-installer.sh
index cdc71f0..7c3bed9 100755
--- a/pkg/de-p1st-installer/de-p1st-installer.sh
+++ b/pkg/de-p1st-installer/de-p1st-installer.sh
@@ -115,7 +115,7 @@ function get_multi_choice {
     # if ptr has no value yet, ask user for input!
 
     local -n MENU_OPTIONS=$3
-    local tmp=$(dialog --stdout --checklist "$2" 0 0 0 ${MENU_OPTIONS}) || {
+    TMP1=$(dialog --stdout --checklist "$2" 0 0 0 ${MENU_OPTIONS}) || {
       echo "Error during menu selection!"
       exit 1
     }
@@ -123,7 +123,10 @@ function get_multi_choice {
 
     # Result of dialog is space separated list
     # Store this as an array
-    readarray -d " " -t ptr <<<"$tmp"
+    # Without newline at last array element: https://unix.stackexchange.com/a/519917/315162
+    # readarray -d " " -t ptr < <(printf '%s' "$TMP1")
+    #
+    space_separated_to_array TMP1 "$1"
   fi
 }
 
@@ -246,21 +249,17 @@ function choose_mount_options() {
   esac
 
   get_multi_choice  FS_MOUNT_OPTIONS "Select mount options" TMP1 || return $?
-
-  # TODO: test FS_MOUNT_OPTIONS
-  echo "${FS_MOUNT_OPTIONS[@]}"
-  echo "${#FS_MOUNT_OPTIONS[@]}"
-  for i in "${FS_MOUNT_OPTIONS[@]}"; do
-    echo "<<$i>>"
-  done
 }
 
 function main() {
   check_network             || return $?
   get_user_input            || return $?
   get_cpu_vendor            || return $?
+
   get_default_mount_options || return $?
   choose_mount_options      || return $?
+
+  # TODO: use FS_DEFAULT_MOUNT_OPTIONS and FS_MOUNT_OPTIONS in combination
 }
 
 main "$@"
diff --git a/pkg/de-p1st-installer/helper.sh b/pkg/de-p1st-installer/helper.sh
index b2cd383..9ed5ce4 100644
--- a/pkg/de-p1st-installer/helper.sh
+++ b/pkg/de-p1st-installer/helper.sh
@@ -1,4 +1,4 @@
-function newline_to_space(){
+function newline_to_space() {
   # Replaces all newlines with spaces
   # $1: name of variable
 
@@ -6,12 +6,27 @@ function newline_to_space(){
   # Replace newlines with spaces
   # See bash string substitution: https://gist.github.com/JPvRiel/b279524d3e56229a896477cb8082a72b
 
-  echo "removing newlines in str: -->$ptr<--"
+  # echo "removing newlines in str: -->$ptr<--"
   ptr="${ptr//$'\n'/' '}"
-  echo "new str is: -->$ptr<--"
+  # echo "new str is: -->$ptr<--"
 }
 
-function get_block_devices(){
+function space_separated_to_array() {
+  # $1: name of variable with space separated list
+  # $2: name of array to store values into
+
+  local -n ptr=$1
+  local -n ptr2=$2
+  # ptr space separated list.
+  # Store this as array ptr2.
+  # Without newline at last array element: https://unix.stackexchange.com/a/519917/315162
+  readarray -d " " -t ptr2 < <(printf '%s' "$ptr")
+}
+
+
+
+
+function get_block_devices() {
   # return: the following variables:
   #   BLOCK_DEVICES (array with each block device as one entry)