diff --git a/mlx/distributed/ibv/ibv.cpp b/mlx/distributed/ibv/ibv.cpp
index 866147617..84671c694 100644
--- a/mlx/distributed/ibv/ibv.cpp
+++ b/mlx/distributed/ibv/ibv.cpp
@@ -925,6 +925,10 @@ class IBVGroup : public GroupImpl {
     });
   }
 
+  void sum_scatter(const array& input, array& output, Stream stream) override {
+    throw std::runtime_error("[ring] sum_scatter not supported.");
+  }
+
   std::shared_ptr<GroupImpl> split(int color, int key = -1) override {
     throw std::runtime_error("[ibv] Group split not supported.");
   }