diff --git a/src/pretix/plugins/banktransfer/tasks.py b/src/pretix/plugins/banktransfer/tasks.py
index b949b27dae..8fc8162165 100644
--- a/src/pretix/plugins/banktransfer/tasks.py
+++ b/src/pretix/plugins/banktransfer/tasks.py
@@ -142,7 +142,7 @@ def process_banktransfers(self, job: int, data: list) -> None:
                 pattern = re.compile("(%s)[ \-_]*([A-Z0-9]{%s})" % ("|".join(prefixes), code_len))
 
             for trans in transactions:
-                match = pattern.search(trans.reference.upper())
+                match = pattern.search(trans.reference.replace(" ", "").upper())
 
                 if match:
                     if job.event:
diff --git a/src/tests/plugins/banktransfer/test_import.py b/src/tests/plugins/banktransfer/test_import.py
index 7f21d472ea..46f96657ba 100644
--- a/src/tests/plugins/banktransfer/test_import.py
+++ b/src/tests/plugins/banktransfer/test_import.py
@@ -143,6 +143,18 @@ def test_autocorrection(env, job):
     assert env[2].status == Order.STATUS_PAID
 
 
+@pytest.mark.django_db
+def test_random_spaces(env, job):
+    process_banktransfers(job, [{
+        'payer': 'Karla Kundin',
+        'reference': 'Bestellung DUM MY123 45NEXTLINE',
+        'amount': '23.00',
+        'date': '2016-01-26',
+    }])
+    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')