diff --git a/server/text_generation_server/models/custom_modeling/flash_neox_modeling.py b/server/text_generation_server/models/custom_modeling/flash_neox_modeling.py
index d399be2f..b87fd4ca 100644
--- a/server/text_generation_server/models/custom_modeling/flash_neox_modeling.py
+++ b/server/text_generation_server/models/custom_modeling/flash_neox_modeling.py
@@ -390,6 +390,7 @@ class FlashGPTNeoXForCausalLM(FlashGPTNeoXPreTrainedModel):
         max_s: int,
         prefill_cache_indices: Optional[torch.Tensor],
         lm_head_indices: Optional[torch.Tensor] = None,
+        adapter_data: Optional[torch.Tensor] = None,
     ) -> torch.Tensor:
         hidden_states = self.gpt_neox(
             input_ids,
diff --git a/server/text_generation_server/models/custom_modeling/flash_phi_modeling.py b/server/text_generation_server/models/custom_modeling/flash_phi_modeling.py
index 6dda4b2b..3f445f97 100644
--- a/server/text_generation_server/models/custom_modeling/flash_phi_modeling.py
+++ b/server/text_generation_server/models/custom_modeling/flash_phi_modeling.py
@@ -400,6 +400,7 @@ class FlashPhiForCausalLM(torch.nn.Module):
         max_s: int,
         prefill_cache_indices: Optional[torch.Tensor],
         lm_head_indices: Optional[torch.Tensor] = None,
+        adapter_data: Optional[torch.Tensor] = None,
     ) -> torch.Tensor:
         hidden_states = self.model(
             input_ids,