diff --git a/src/pretix/_build_settings.py b/src/pretix/_build_settings.py
index 54d839da2d..c03f56a1ab 100644
--- a/src/pretix/_build_settings.py
+++ b/src/pretix/_build_settings.py
@@ -38,6 +38,7 @@ MAIL_FROM_ORGANIZERS = 'invalid@invalid'
 FILE_UPLOAD_MAX_SIZE_EMAIL_AUTO_ATTACHMENT = 10
 FILE_UPLOAD_MAX_SIZE_EMAIL_ATTACHMENT = 10
 FILE_UPLOAD_MAX_SIZE_IMAGE = 10
+FILE_UPLOAD_MAX_SIZE_FAVICON = 10
 DEFAULT_CURRENCY = 'EUR'
 SECRET_KEY = "build-time-secret-key"
 HAS_REDIS = False