diff --git a/tests/integrations/openai_agents/test_openai_agents.py b/tests/integrations/openai_agents/test_openai_agents.py
index b9c5910501..bb2b944848 100644
--- a/tests/integrations/openai_agents/test_openai_agents.py
+++ b/tests/integrations/openai_agents/test_openai_agents.py
@@ -1249,6 +1249,15 @@ async def test_hosted_mcp_tool_propagation_header_streamed(
         "/responses",
     )
 
+    # openai-agents calls with_streaming_response() if available starting with
+    # https://github.com/openai/openai-agents-python/commit/159beb56130f7d85192acfd593c9168757984dc0.
+    # When using with_streaming_response() the header set below changes the response type:
+    # https://github.com/openai/openai-python/blob/656e3cab4a18262a49b961d41293367e45ee71b9/src/openai/_response.py#L67.
+    if parse_version(OPENAI_AGENTS_VERSION) >= (0, 10, 3) and hasattr(
+        agent_with_tool.model._client.responses, "with_streaming_response"
+    ):
+        request.headers["X-Stainless-Raw-Response"] = "stream"
+
     response = httpx.Response(
         200,
         request=request,
@@ -2833,6 +2842,15 @@ async def test_streaming_ttft_on_chat_span(sentry_init, test_agent, async_iterat
         "/responses",
     )
 
+    # openai-agents calls with_streaming_response() if available starting with
+    # https://github.com/openai/openai-agents-python/commit/159beb56130f7d85192acfd593c9168757984dc0.
+    # When using with_streaming_response() the header set below changes the response type:
+    # https://github.com/openai/openai-python/blob/656e3cab4a18262a49b961d41293367e45ee71b9/src/openai/_response.py#L67.
+    if parse_version(OPENAI_AGENTS_VERSION) >= (0, 10, 3) and hasattr(
+        agent_with_tool.model._client.responses, "with_streaming_response"
+    ):
+        request.headers["X-Stainless-Raw-Response"] = "stream"
+
     response = httpx.Response(
         200,
         request=request,