diff --git a/pretix_servicefees/signals.py b/pretix_servicefees/signals.py
index 3d60d8d..8ab3d7d 100644
--- a/pretix_servicefees/signals.py
+++ b/pretix_servicefees/signals.py
@@ -170,6 +170,7 @@ def get_fees(
                     internal_type="",
                     value=price,
                     tax_rate=tax.rate,
+                    tax_code=tax.code,
                     tax_value=tax.tax,
                     tax_rule=tax_rule,
                 )