diff --git a/dislocker_auth.py b/dislocker_auth.py
index e329fef..6befeae 100644
--- a/dislocker_auth.py
+++ b/dislocker_auth.py
@@ -305,12 +305,12 @@ class Auth():
             pc_number = int(kwargs["pc_number"])
             pc_uuid = str(kwargs["pc_uuid"])
             cursor.execute("SELECT pc_uuid FROM pc_list WHERE pc_number = %s", (pc_number,))
-            pc_record = cursor.fetchall()
-            pc_record_uuid = pc_record[0][0]
+            pc_record_uuid_source = cursor.fetchall()
+            pc_record_uuid = pc_record_uuid_source[0][0]
             cursor.execute("SELECT pc_number FROM pc_list WHERE pc_number = %s", (pc_number,))
-            pc_record = cursor.fetchall()
-            pc_record_number = pc_record[0][0]
-            if pc_record_number == None:
+            pc_record_number_source = cursor.fetchall()
+            
+            if pc_record_number_source == None:
                 pc_token = self.token_generate(36)
                 master_password = self.master_password_generate(16)
                 master_password_hash = self.hash_genarate(master_password)