diff --git a/packages/stream_chat/CHANGELOG.md b/packages/stream_chat/CHANGELOG.md
index 9bfe494f..d8860425 100644
--- a/packages/stream_chat/CHANGELOG.md
+++ b/packages/stream_chat/CHANGELOG.md
@@ -1,3 +1,9 @@
+## Upcoming
+
+🐞 Fixed
+
+- Fixed `channel.markAllRead` throwing failed host lookup.
+
 ## 2.1.1
 
 🐞 Fixed
diff --git a/packages/stream_chat/lib/src/core/api/channel_api.dart b/packages/stream_chat/lib/src/core/api/channel_api.dart
index 1ba7f333..c04f9683 100644
--- a/packages/stream_chat/lib/src/core/api/channel_api.dart
+++ b/packages/stream_chat/lib/src/core/api/channel_api.dart
@@ -84,7 +84,7 @@ class ChannelApi {
 
   /// Mark all channels for this user as read
   Future<EmptyResponse> markAllRead() async {
-    final response = await _client.post('channels/read');
+    final response = await _client.post('/channels/read');
     return EmptyResponse.fromJson(response.data);
   }
 
diff --git a/packages/stream_chat/test/src/core/api/channel_api_test.dart b/packages/stream_chat/test/src/core/api/channel_api_test.dart
index c43f161f..8ffd778d 100644
--- a/packages/stream_chat/test/src/core/api/channel_api_test.dart
+++ b/packages/stream_chat/test/src/core/api/channel_api_test.dart
@@ -176,7 +176,7 @@ void main() {
   });
 
   test('markAllRead', () async {
-    const path = 'channels/read';
+    const path = '/channels/read';
     when(() => client.post(path)).thenAnswer(
         (_) async => successResponse(path, data: <String, dynamic>{}));