diff --git a/sdk/evaluation/azure-ai-evaluation/azure/ai/evaluation/_common/rai_service.py b/sdk/evaluation/azure-ai-evaluation/azure/ai/evaluation/_common/rai_service.py
index dab41a6fe050..b0ec4e340efe 100644
--- a/sdk/evaluation/azure-ai-evaluation/azure/ai/evaluation/_common/rai_service.py
+++ b/sdk/evaluation/azure-ai-evaluation/azure/ai/evaluation/_common/rai_service.py
@@ -290,7 +290,7 @@ async def submit_request_onedp(
     payload = generate_payload(normalized_user_text, metric, annotation_task=annotation_task)
     headers = get_common_headers(token, evaluator_name)
     if scan_session_id:
-        headers["client_request_id"] = scan_session_id
+        headers["x-ms-client-request-id"] = scan_session_id
     response = client.evaluations.submit_annotation(payload, headers=headers)
     result = json.loads(response)
     operation_id = result["location"].split("/")[-1]
diff --git a/sdk/evaluation/azure-ai-evaluation/azure/ai/evaluation/simulator/_model_tools/_generated_rai_client.py b/sdk/evaluation/azure-ai-evaluation/azure/ai/evaluation/simulator/_model_tools/_generated_rai_client.py
index 33cf909219df..6e6068de900f 100644
--- a/sdk/evaluation/azure-ai-evaluation/azure/ai/evaluation/simulator/_model_tools/_generated_rai_client.py
+++ b/sdk/evaluation/azure-ai-evaluation/azure/ai/evaluation/simulator/_model_tools/_generated_rai_client.py
@@ -124,7 +124,7 @@ async def get_attack_objectives(
                 risk_category=risk_category,
                 lang="en",
                 strategy=strategy,
-                headers={"client_request_id": scan_session_id},
+                headers={"x-ms-client-request-id": scan_session_id},
             )
             return response
 
@@ -146,7 +146,7 @@ async def get_jailbreak_prefixes(self, scan_session_id: Optional[str] = None) ->
         try:
             # Send the request using the autogenerated client
             response = self._client.get_jail_break_dataset_with_type(
-                type="upia", headers={"client_request_id": scan_session_id}
+                type="upia", headers={"x-ms-client-request-id": scan_session_id}
             )
             if isinstance(response, list):
                 return response