diff --git a/conservancy/usethesource/emails.py b/conservancy/usethesource/emails.py
index 4620a8f2..638f1ea6 100644
--- a/conservancy/usethesource/emails.py
+++ b/conservancy/usethesource/emails.py
@@ -27,7 +27,7 @@ https://sfconservancy.org{reverse('usethesource:candidate', kwargs={'slug': cand
 
 --
 {signature}
-(Via http//sfconservancy.org{reverse('usethesource:landing')})'''
+(Via https://sfconservancy.org{reverse('usethesource:landing')})'''
     headers = {'Message-ID': candidate.email_message_id}
     return EmailMessage(subject, body, sender, to, headers=headers)
 
@@ -47,7 +47,7 @@ https://sfconservancy.org{reverse('usethesource:candidate', kwargs={'slug': cand
 
 --
 {signature}
-(Via http//sfconservancy.org{reverse('usethesource:landing')})'''
+(Via https://sfconservancy.org{reverse('usethesource:landing')})'''
     headers = {'Message-ID': comment.email_message_id}
     if in_reply_to := comment.in_reply_to():
         # From my testing, both "In-Reply-To" and "References" headers trigger