diff --git a/bookwyrm/models/status.py b/bookwyrm/models/status.py
index 1e31de77..f37076b5 100644
--- a/bookwyrm/models/status.py
+++ b/bookwyrm/models/status.py
@@ -374,7 +374,7 @@ class Review(BookStatus):
     def save(self, *args, **kwargs):
         """clear rating caches"""
         if self.book.parent_work:
-            cache.delete(f"book-rating-{self.book.parent_work.id}-*")
+            cache.delete(f"book-rating-{self.book.parent_work.id}")
         super().save(*args, **kwargs)
 
 
diff --git a/bookwyrm/templatetags/rating_tags.py b/bookwyrm/templatetags/rating_tags.py
index 670599e2..cc23d330 100644
--- a/bookwyrm/templatetags/rating_tags.py
+++ b/bookwyrm/templatetags/rating_tags.py
@@ -13,10 +13,10 @@ register = template.Library()
 def get_rating(book, user):
     """get the overall rating of a book"""
     return cache.get_or_set(
-        f"book-rating-{book.parent_work.id}-{user.id}",
-        lambda u, b: models.Review.privacy_filter(u)
-        .filter(book__parent_work__editions=b, rating__gt=0)
-        .aggregate(Avg("rating"))["rating__avg"]
+        f"book-rating-{book.parent_work.id}",
+        lambda u, b: models.Review.objects.filter(
+            book__parent_work__editions=b, rating__gt=0
+        ).aggregate(Avg("rating"))["rating__avg"]
         or 0,
         user,
         book,