diff --git a/llama_stack/providers/tests/agents/fixtures.py b/llama_stack/providers/tests/agents/fixtures.py
index 6c41a41db..a90e5afc1 100644
--- a/llama_stack/providers/tests/agents/fixtures.py
+++ b/llama_stack/providers/tests/agents/fixtures.py
@@ -86,7 +86,7 @@ async def agents_stack(request, inference_model, safety_shield):
     provider_id = inference_provider.provider_id
     if inference_provider.config and "model" in inference_provider.config:
         model_to_provider_id = {
-            provider.config.model: provider.provider_id
+            provider.config["model"]: provider.provider_id
             for provider in providers["inference"]
         }