diff --git a/crates/api-types/src/diary.rs b/crates/api-types/src/diary.rs
index 663a2b2..ba88558 100644
--- a/crates/api-types/src/diary.rs
+++ b/crates/api-types/src/diary.rs
@@ -54,6 +54,7 @@ pub struct ActivityFeedQueryParams {
 pub struct FeedEntryDto {
     pub movie: MovieDto,
     pub review: ReviewDto,
+    pub user_id: Uuid,
     pub user_email: String,
     pub user_display_name: String,
 }
diff --git a/crates/presentation/src/mappers/diary.rs b/crates/presentation/src/mappers/diary.rs
index b0728d8..562c82c 100644
--- a/crates/presentation/src/mappers/diary.rs
+++ b/crates/presentation/src/mappers/diary.rs
@@ -7,6 +7,7 @@ pub fn feed_entry_to_dto(e: &FeedEntry) -> FeedEntryDto {
     FeedEntryDto {
         movie: movie_to_dto(e.movie()),
         review: review_to_dto(e.review()),
+        user_id: e.review().user_id().value(),
         user_email: e.user_email().to_string(),
         user_display_name: e.user_display_name().to_string(),
     }