diff --git a/source/check_update.py b/source/check_update.py
index d08d77f..e5d96d6 100644
--- a/source/check_update.py
+++ b/source/check_update.py
@@ -5,7 +5,7 @@ import json
 import sys
 import os
 
-VERSION_FILE_URL = "https://raw.githubusercontent.com/Faraphel/MKWF-Install/master/version"
+from .definition import *
 
 
 def check_update(self):
diff --git a/source/definition.py b/source/definition.py
index 3f39d20..1d5baab 100644
--- a/source/definition.py
+++ b/source/definition.py
@@ -1,5 +1,8 @@
 CREATE_NO_WINDOW = 0x08000000
 VERSION = "0.8.1"
+GITHUB_REPOSITORY = "Faraphel/MKWF-Install"
+GITHUB_CONTENT_ROOT = f"https://raw.githubusercontent.com/{GITHUB_REPOSITORY}/master/"
+VERSION_FILE_URL = GITHUB_CONTENT_ROOT + "version"
 
 get_filename = lambda file: ".".join(file.split(".")[:-1])
 get_nodir = lambda file: file.replace("\\", "/").split("/")[-1]
diff --git a/source/get_github_file.py b/source/get_github_file.py
index ddd8096..65ba350 100644
--- a/source/get_github_file.py
+++ b/source/get_github_file.py
@@ -1,7 +1,7 @@
 import requests
 import os
 
-root = "https://raw.githubusercontent.com/Faraphel/MKWF-Install/master/"
+from .definition import *
 
 
 def get_github_file(self, file):
@@ -9,7 +9,7 @@ def get_github_file(self, file):
         returncode = 0
         if self.boolvar_disable_download.get(): return 2
 
-        dl = requests.get(root+file, allow_redirects=True, stream=True)
+        dl = requests.get(GITHUB_CONTENT_ROOT+file, allow_redirects=True, stream=True)
         if os.path.exists(file):
             if int(dl.headers['Content-Length']) == os.path.getsize(file): return 1
             else: returncode = 3