diff --git a/app/activitypub/routes.py b/app/activitypub/routes.py
index 8576dd0f..5848453d 100644
--- a/app/activitypub/routes.py
+++ b/app/activitypub/routes.py
@@ -300,7 +300,7 @@ def community_profile(actor):
         # don't provide activitypub info for remote communities
         if 'application/ld+json' in request.headers.get('Accept', '') or 'application/activity+json' in request.headers.get('Accept', ''):
             abort(400)
-        community: Community = Community.query.filter_by(ap_id=actor, banned=False).first()
+        community: Community = Community.query.filter_by(ap_id=actor.lower(), banned=False).first()
     else:
         community: Community = Community.query.filter_by(name=actor, ap_id=None).first()
     if community is not None: