diff --git a/Backend.py b/Backend.py
index c8cadc4..7e28725 100644
--- a/Backend.py
+++ b/Backend.py
@@ -10,6 +10,7 @@ import tarfile
 from pathlib import Path
 import shutil
 from FTP import *
+import socket
 
 def install_prism():
     global data_dir
@@ -45,12 +46,16 @@ def install_prism():
         for ind, line in enumerate(data):
             if line.startswith("JavaPath="):
                 data[ind] = "JavaPath="+data_dir.replace("\\", "/")+"/java/java-21-"+suff+"/bin/"+cmd+"\n"
+            if line.startswith("LastHostname="):
+                data[ind] = "LastHostname="+socket.gethostname()+"\n"
+
         with open(os.path.join(data_dir, "prism", "prismlauncher.cfg"), 'w') as file:
             file.writelines(data)
 
 
 
 
+
 def get_tar_members_stripped(tar, n_folders_stripped = 1):
     members = []
     for member in tar.getmembers():
diff --git a/build-windows.sh b/build-windows.sh
index 13d3098..834350b 100755
--- a/build-windows.sh
+++ b/build-windows.sh
@@ -1,2 +1,2 @@
-wine /home/piwalker/.wine/drive_c/users/piwalker/AppData/Local/Programs/Python/Python312/Scripts/pyinstaller.exe --onefile Main.py --hidden-import=customtkinter --hidden-import='PIL._tkinter_finder' --add-data "CityBase.png:." --add-data "Title.png:." --windowed --add-data="C:\\users\\piwalker\\AppData\\Local\\Programs\\Python\\Python312\\Lib\\site-packages;customtkinter/"
-wine /home/piwalker/.wine/drive_c/users/piwalker/AppData/Local/Programs/Python/Python312/Scripts/pyinstaller.exe --onefile Upload.py --hidden-import='PIL._tkinter_finder' --windowed
+wine /home/piwalker/.wine/drive_c/users/piwalker/AppData/Local/Programs/Python/Python312/Scripts/pyinstaller.exe --onedir Main.py --hidden-import=customtkinter --hidden-import='PIL._tkinter_finder' --add-data "CityBase.png:." --add-data "Title.png:." --windowed --add-data="C:\\users\\piwalker\\AppData\\Local\\Programs\\Python\\Python312\\Lib\\site-packages;customtkinter/"
+wine /home/piwalker/.wine/drive_c/users/piwalker/AppData/Local/Programs/Python/Python312/Scripts/pyinstaller.exe --onedir Upload.py --hidden-import='PIL._tkinter_finder' --windowed