diff --git a/litellm/proxy/guardrails/guardrail_hooks/bedrock_guardrails.py b/litellm/proxy/guardrails/guardrail_hooks/bedrock_guardrails.py
index a6c9a42ce6e..f675c769ea8 100644
--- a/litellm/proxy/guardrails/guardrail_hooks/bedrock_guardrails.py
+++ b/litellm/proxy/guardrails/guardrail_hooks/bedrock_guardrails.py
@@ -3326,7 +3326,7 @@ class BedrockGuardrail(CustomGuardrail, BaseAWSLLM):
                 if item is not None:
                     new_content.append(item)
             else:
-                new_content.append(item)
+                new_content.append(item)  # pyright: ignore[reportArgumentType]  # opaque provider parts stay unchanged
 
         return new_content, masking_index