diff --git a/litellm/llms/gemini/realtime/transformation.py b/litellm/llms/gemini/realtime/transformation.py
index e1d9046a44f..d1422522cfc 100644
--- a/litellm/llms/gemini/realtime/transformation.py
+++ b/litellm/llms/gemini/realtime/transformation.py
@@ -1007,7 +1007,7 @@ class GeminiRealtimeConfig(BaseRealtimeConfig):
             "generationConfig", {}
         )
         temperature = generation_config.get("temperature")
-        max_output_tokens = generation_config.get("max_output_tokens")
+        max_output_tokens = generation_config.get("maxOutputTokens")
         gemini_modalities = generation_config.get("responseModalities", ["AUDIO"])
         _modalities = [
             modality.lower() for modality in cast(List[str], gemini_modalities)