diff --git a/moto/sagemakerruntime/models.py b/moto/sagemakerruntime/models.py
index 32730eb61..d3b42aaf1 100644
--- a/moto/sagemakerruntime/models.py
+++ b/moto/sagemakerruntime/models.py
@@ -42,7 +42,7 @@ class SageMakerRuntimeBackend(BaseBackend):
                 ],
             }
             requests.post(
-                "http://motoapi.amazonaws.com:5000/moto-api/static/sagemaker/endpoint-results",
+                "http://motoapi.amazonaws.com/moto-api/static/sagemaker/endpoint-results",
                 json=expected_results,
             )