diff --git a/src/setup.cfg b/src/setup.cfg
index 084e05327a..a112b04084 100644
--- a/src/setup.cfg
+++ b/src/setup.cfg
@@ -61,7 +61,8 @@ edgecase_words =
     translate.pretix.eu
     4th
 	214th
-	INV
+	INV-001
+	INV-00001
 phrases =
     ticketing powered by
     powered by