diff --git a/mint/linux_mint_custom_iso.sh b/mint/linux_mint_custom_iso.sh
index d838516..9ed1187 100755
--- a/mint/linux_mint_custom_iso.sh
+++ b/mint/linux_mint_custom_iso.sh
@@ -1,21 +1,18 @@
 #!/bin/bash
 #you need to download the latest Linux Mint ISO from the website first before running the script.
 
-#adds a variable for correct naming of the created ISO.
-UNATTENDED="unattended-$1" # => unattended-linuxmint-19.3-cinnamon-64bit.iso
-
-#catch if argument 1 is empty. Without the ISO as an argument this script won't work
-if [[ -z $1 ]]
-  then echo "Usage: $0 [linuxmint-original.iso]"
+#catch if argument 1 is empty. Without the ISO as an argument this script won't work.
+if [[ -z $1 ]]; then 
+  echo "Usage: $0 [linuxmint-original.iso]"
   exit
-
 #catch if the file cannot be found or is misspelled.
 elif [[ ! -f $1 ]]; then
   echo "File not found: $1" >&2
   exit 1
-
 fi
 
+UNATTENDED="unattended-$1" # => unattended-linuxmint-19.3-cinnamon-64bit.iso
+
 #creates a folders that is used during the process.
 mkdir iso