diff --git a/server/authentication.py b/server/authentication.py
index ee2e7f4..fd9c159 100644
--- a/server/authentication.py
+++ b/server/authentication.py
@@ -121,7 +121,7 @@ class Authetication:
         with open(self.CONFIG_FILE_LOCATION) as json_file:
             data = json.load(json_file)
 
-        dictionary: dict
+        dictionary = dict()
 
         for user in data['user']:
             key = data['publicKey']