diff --git a/python/hsml/core/serving_api.py b/python/hsml/core/serving_api.py
index 511fef4fd..1886523a5 100644
--- a/python/hsml/core/serving_api.py
+++ b/python/hsml/core/serving_api.py
@@ -252,6 +252,7 @@ def _send_inference_request_via_rest_protocol(
             path_params = self._get_hopsworks_inference_path(
                 _client._project_id, deployment_instance
             )
+            with_base_path_params = True
         else:
             _client = client.istio.get_instance()
             if _client is not None:
@@ -263,16 +264,19 @@ def _send_inference_request_via_rest_protocol(
                     deployment_instance.name,
                     client.get_knative_domain(),
                 )
+                with_base_path_params = False
             else:
                 # fallback to Hopsworks client
                 _client = client.get_instance()
                 path_params = self._get_hopsworks_inference_path(
                     _client._project_id, deployment_instance
                 )
+                with_base_path_params = True
 
         # send inference request
         return _client._send_request(
-            "POST", path_params, headers=headers, data=json.dumps(data)
+            "POST", path_params, headers=headers, data=json.dumps(data),
+            with_base_path_params=with_base_path_params
         )
 
     def _send_inference_request_via_grpc_protocol(