diff --git a/gregui/mailutils.py b/gregui/mailutils.py
index 6929afdac7b724fd4d2885e6a415f6e01622cae8..fb3083457d99e204837a9e512b6f34cd3c814413 100644
--- a/gregui/mailutils.py
+++ b/gregui/mailutils.py
@@ -79,12 +79,6 @@ def send_invite_mail(link: InvitationLink) -> Optional[str]:
         return None
 
     sponsor = link.invitation.role.sponsor
-    if not sponsor:
-        logger.warning(
-            "Unable to determine sponsor for invitation link with ID: {%s}", link.id
-        )
-        return None
-
     return send_registration_mail(
         email_address.value, f"{sponsor.first_name} {sponsor.last_name}"
     )