diff --git a/CHANGELOG.md b/CHANGELOG.md
index 30c456340..aca3e79a1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
 # Release Notes
 
 ## [Unreleased](https://github.com/pixelfed/pixelfed/compare/v0.11.5...dev)
+
+### Updates
+- Update ApiV1Controller, fix blocking remote accounts. Closes #4256 ([8e71e0c0](https://github.com/pixelfed/pixelfed/commit/8e71e0c0))
 -  ([](https://github.com/pixelfed/pixelfed/commit/))
 
 ## [v0.11.5 (2023-03-25)](https://github.com/pixelfed/pixelfed/compare/v0.11.4...v0.11.5)
diff --git a/app/Http/Controllers/Api/ApiV1Controller.php b/app/Http/Controllers/Api/ApiV1Controller.php
index 77df97704..9b79ab868 100644
--- a/app/Http/Controllers/Api/ApiV1Controller.php
+++ b/app/Http/Controllers/Api/ApiV1Controller.php
@@ -1012,7 +1012,7 @@ class ApiV1Controller extends Controller
 
 		$profile = Profile::findOrFail($id);
 
-		if($profile->user->is_admin == true) {
+		if($profile->user && $profile->user->is_admin == true) {
 			abort(400, 'You cannot block an admin');
 		}
 
@@ -1047,7 +1047,7 @@ class ApiV1Controller extends Controller
 		]);
 
 		RelationshipService::refresh($pid, $id);
-
+		UserFilterService::block($pid, $id);
 		$resource = new Fractal\Resource\Item($profile, new RelationshipTransformer());
 		$res = $this->fractal->createData($resource)->toArray();