diff --git a/specification/ai/ModelClient/models/chat_completions.tsp b/specification/ai/ModelClient/models/chat_completions.tsp
index c0ffa8eda01c..ff9f5b91272f 100644
--- a/specification/ai/ModelClient/models/chat_completions.tsp
+++ b/specification/ai/ModelClient/models/chat_completions.tsp
@@ -264,7 +264,7 @@ model ChatCompletionsResponseFormatJsonObject extends ChatCompletionsResponseFor
   type: "json_object";
 }
 
-model ChatResponseFormatJsonSchema extends ChatResponseFormat {
+model ChatCompletionsResponseFormatJsonSchema extends ChatCompletionsResponseFormat {
   @doc("""
     The type of response format being defined: `json_schema`
     """)