diff --git a/server/authentication.py b/server/authentication.py
index 7505ae2..a066f5c 100644
--- a/server/authentication.py
+++ b/server/authentication.py
@@ -123,7 +123,7 @@ class Authetication:
         dictionary = dict()
 
         for user in data['user']:
-            key = data['publicKey']
+            key = user['publicKey']
             key = bytes.fromhex(key)
             try:
                 rsaKey = RSA.import_key(key)