diff --git a/src/pretix/plugins/banktransfer/tasks.py b/src/pretix/plugins/banktransfer/tasks.py
index d11eb1f50..038078897 100644
--- a/src/pretix/plugins/banktransfer/tasks.py
+++ b/src/pretix/plugins/banktransfer/tasks.py
@@ -65,7 +65,14 @@ def _get_unknown_transactions(event: Event, job: BankImportJob, data: list):
 
     transactions = []
     for row in data:
-        amount = amount_pattern.sub("", row['amount'].replace(",", "."))
+        amount = row['amount']
+        if ',' in amount and '.' in amount:
+            # Handle thousand-seperator , or .
+            if amount.find(',') < amount.find('.'):
+                amount = amount.replace(',', '')
+            else:
+                amount = amount.replace('.', '')
+        amount = amount_pattern.sub("", amount.replace(',', '.'))
         try:
             amount = Decimal(amount)
         except:
diff --git a/src/tests/plugins/banktransfer/test_import.py b/src/tests/plugins/banktransfer/test_import.py
index 038525269..d925d8b14 100644
--- a/src/tests/plugins/banktransfer/test_import.py
+++ b/src/tests/plugins/banktransfer/test_import.py
@@ -1,4 +1,5 @@
 from datetime import timedelta
+from decimal import Decimal
 
 import pytest
 from bs4 import BeautifulSoup
@@ -133,3 +134,17 @@ def test_autocorrection(env, job):
     }])
     env[2].refresh_from_db()
     assert env[2].status == Order.STATUS_PAID
+
+
+@pytest.mark.django_db
+def test_huge_amount(env, job):
+    env[2].total = Decimal('23000.00')
+    env[2].save()
+    process_banktransfers(env[0].pk, job, [{
+        'payer': 'Karla Kundin',
+        'reference': 'Bestellung DUMMY12345',
+        'amount': '23.000,00',
+        'date': '2016-01-26',
+    }])
+    env[2].refresh_from_db()
+    assert env[2].status == Order.STATUS_PAID