diff --git a/crates/apub/src/activities/block/block_user.rs b/crates/apub/src/activities/block/block_user.rs
index 177df2ca5..a2a1f25bf 100644
--- a/crates/apub/src/activities/block/block_user.rs
+++ b/crates/apub/src/activities/block/block_user.rs
@@ -72,6 +72,7 @@ impl BlockUser {
       )?,
       audience,
       expires,
+      end_time: expires,
     })
   }
 
@@ -149,7 +150,7 @@ impl ActivityHandler for BlockUser {
   #[tracing::instrument(skip_all)]
   async fn receive(self, context: &Data<LemmyContext>) -> Result<(), LemmyError> {
     insert_received_activity(&self.id, context).await?;
-    let expires = self.expires.map(Into::into);
+    let expires = self.expires.or(self.end_time).map(Into::into);
     let mod_person = self.actor.dereference(context).await?;
     let blocked_person = self.object.dereference(context).await?;
     let target = self.target.dereference(context).await?;
diff --git a/crates/apub/src/activities/block/undo_block_user.rs b/crates/apub/src/activities/block/undo_block_user.rs
index da25a4af0..756d0a149 100644
--- a/crates/apub/src/activities/block/undo_block_user.rs
+++ b/crates/apub/src/activities/block/undo_block_user.rs
@@ -98,7 +98,7 @@ impl ActivityHandler for UndoBlockUser {
   #[tracing::instrument(skip_all)]
   async fn receive(self, context: &Data<LemmyContext>) -> Result<(), LemmyError> {
     insert_received_activity(&self.id, context).await?;
-    let expires = self.object.expires.map(Into::into);
+    let expires = self.object.expires.or(self.object.end_time).map(Into::into);
     let mod_person = self.actor.dereference(context).await?;
     let blocked_person = self.object.object.dereference(context).await?;
     match self.object.target.dereference(context).await? {
diff --git a/crates/apub/src/protocol/activities/block/block_user.rs b/crates/apub/src/protocol/activities/block/block_user.rs
index b958b58e1..c5cb4306c 100644
--- a/crates/apub/src/protocol/activities/block/block_user.rs
+++ b/crates/apub/src/protocol/activities/block/block_user.rs
@@ -38,7 +38,9 @@ pub struct BlockUser {
   pub(crate) remove_data: Option<bool>,
   /// block reason, written to mod log
   pub(crate) summary: Option<String>,
+  /// TODO: deprecated
   pub(crate) expires: Option<DateTime<Utc>>,
+  pub(crate) end_time: Option<DateTime<Utc>>,
 }
 
 #[async_trait::async_trait]