diff --git a/Web/modules/database/user.py b/Web/modules/database/user.py
index b3e8643..b50c03d 100755
--- a/Web/modules/database/user.py
+++ b/Web/modules/database/user.py
@@ -594,8 +594,8 @@ def student_card_exists(student_card_id):
         return False
     client = MongoClient(cfg.MONGODB_HOST, cfg.MONGODB_PORT)
     db = _get_tenant_db(client)
-    users = db['users']
-    exists = users.find_one({'StudentCardId': normalized}) is not None
+    users = db['student_cards']
+    exists = users.find_one({'SchülerName': normalized}) is not None
     client.close()
     return exists
 
@@ -607,8 +607,8 @@ def get_user_by_student_card(student_card_id):
         return None
     client = MongoClient(cfg.MONGODB_HOST, cfg.MONGODB_PORT)
     db = _get_tenant_db(client)
-    users = db['users']
-    found_user = users.find_one({'StudentCardId': normalized})
+    users = db['student_cards']
+    found_user = users.find_one({'SchülerName': normalized})
     client.close()
     return found_user