diff --git a/bookwyrm/models/activitypub_mixin.py b/bookwyrm/models/activitypub_mixin.py
index eee916bb..4efb08d7 100644
--- a/bookwyrm/models/activitypub_mixin.py
+++ b/bookwyrm/models/activitypub_mixin.py
@@ -446,9 +446,8 @@ class CollectionItemMixin(ActivitypubMixin):
         ).serialize()
 
 
-class ActivitybMixin(ActivitypubMixin):
+class ActivityMixin(ActivitypubMixin):
     ''' add this mixin for models that are AP serializable '''
-
     def save(self, *args, **kwargs):
         ''' broadcast activity '''
         super().save(*args, **kwargs)
diff --git a/bookwyrm/models/favorite.py b/bookwyrm/models/favorite.py
index 9809efe7..4c66bfd5 100644
--- a/bookwyrm/models/favorite.py
+++ b/bookwyrm/models/favorite.py
@@ -3,11 +3,11 @@ from django.db import models
 from django.utils import timezone
 
 from bookwyrm import activitypub
-from .activitypub_mixin import ActivitypubMixin
+from .activitypub_mixin import ActivityMixin
 from .base_model import BookWyrmModel
 from . import fields
 
-class Favorite(ActivitypubMixin, BookWyrmModel):
+class Favorite(ActivityMixin, BookWyrmModel):
     ''' fav'ing a post '''
     user = fields.ForeignKey(
         'User', on_delete=models.PROTECT, activitypub_field='actor')
diff --git a/bookwyrm/models/relationship.py b/bookwyrm/models/relationship.py
index 44af41ff..712f607b 100644
--- a/bookwyrm/models/relationship.py
+++ b/bookwyrm/models/relationship.py
@@ -4,12 +4,12 @@ from django.db.models import Q
 from django.dispatch import receiver
 
 from bookwyrm import activitypub
-from .activitypub_mixin import ActivitypubMixin
+from .activitypub_mixin import ActivityMixin
 from .base_model import BookWyrmModel
 from . import fields
 
 
-class UserRelationship(ActivitypubMixin, BookWyrmModel):
+class UserRelationship(ActivityMixin, BookWyrmModel):
     ''' many-to-many through table for followers '''
     user_subject = fields.ForeignKey(
         'User',
diff --git a/bookwyrm/models/status.py b/bookwyrm/models/status.py
index dc170f3c..74ede26c 100644
--- a/bookwyrm/models/status.py
+++ b/bookwyrm/models/status.py
@@ -9,10 +9,11 @@ from django.utils import timezone
 from model_utils.managers import InheritanceManager
 
 from bookwyrm import activitypub
-from .activitypub_mixin import ActivitypubMixin, OrderedCollectionPageMixin
+from .activitypub_mixin import ActivitypubMixin, ActivityMixin
+from .activitypub_mixin import OrderedCollectionPageMixin
 from .base_model import BookWyrmModel
-from . import fields
 from .fields import image_serializer
+from . import fields
 
 class Status(OrderedCollectionPageMixin, BookWyrmModel):
     ''' any post, like a reply to a review, etc '''
@@ -223,7 +224,7 @@ class Review(Status):
     pure_type = 'Article'
 
 
-class Boost(Status):
+class Boost(ActivityMixin, Status):
     ''' boost'ing a post '''
     boosted_status = fields.ForeignKey(
         'Status',