diff --git a/llama_stack/providers/remote/inference/fireworks/fireworks.py b/llama_stack/providers/remote/inference/fireworks/fireworks.py
index cf7e93974..1025bfb53 100644
--- a/llama_stack/providers/remote/inference/fireworks/fireworks.py
+++ b/llama_stack/providers/remote/inference/fireworks/fireworks.py
@@ -64,6 +64,7 @@ class FireworksInferenceAdapter(OpenAIMixin, ModelRegistryHelper, Inference, Nee
     }
 
     def __init__(self, config: FireworksImplConfig) -> None:
+        ModelRegistryHelper.__init__(self)
         self.config = config
         self.allowed_models = config.allowed_models
 
diff --git a/llama_stack/providers/remote/inference/together/together.py b/llama_stack/providers/remote/inference/together/together.py
index 37973d635..c199677be 100644
--- a/llama_stack/providers/remote/inference/together/together.py
+++ b/llama_stack/providers/remote/inference/together/together.py
@@ -70,6 +70,7 @@ class TogetherInferenceAdapter(OpenAIMixin, ModelRegistryHelper, Inference, Need
     }
 
     def __init__(self, config: TogetherImplConfig) -> None:
+        ModelRegistryHelper.__init__(self)
         self.config = config
         self.allowed_models = config.allowed_models
         self._model_cache: dict[str, Model] = {}