diff --git a/social/templates/event/boost.html b/social/templates/event/boost.html
new file mode 100644
index 00000000..f3c0428b
--- /dev/null
+++ b/social/templates/event/boost.html
@@ -0,0 +1 @@
+unsupported notification: boost
diff --git a/takahe/utils.py b/takahe/utils.py
index aeb8f002..bc823bdd 100644
--- a/takahe/utils.py
+++ b/takahe/utils.py
@@ -962,7 +962,7 @@ class Takahe:
                 "subject_post__emojis",
             )
             .filter(identity=identity_id)
-            .exclude(type="post", subject_identity__isnull=True)
+            .exclude(type__in=["post", "boost"])
             .exclude(subject_identity_id=identity_id)
             .order_by("-created")
         )