diff --git a/src/megatron/bridge/models/model_provider.py b/src/megatron/bridge/models/model_provider.py
index 8c3f111731..d53e03773f 100644
--- a/src/megatron/bridge/models/model_provider.py
+++ b/src/megatron/bridge/models/model_provider.py
@@ -215,6 +215,7 @@ def initialize_model_parallel(
             virtual_pipeline_model_parallel_size=getattr(self, "virtual_pipeline_model_parallel_size", None),
             context_parallel_size=getattr(self, "context_parallel_size", 1) or 1,
             expert_model_parallel_size=getattr(self, "expert_model_parallel_size", 1) or 1,
+            expert_tensor_parallel_size=getattr(self, "expert_tensor_parallel_size", None),
             **model_parallel_kwargs,
         )
         if seed is not None: