diff --git a/client/clip_client/client.py b/client/clip_client/client.py
index a0ad23b3f..04ef62716 100644
--- a/client/clip_client/client.py
+++ b/client/clip_client/client.py
@@ -193,7 +193,7 @@ def _get_post_payload(self, content, kwargs):
         model_name = parameters.get('model', '')
         endpoint = f'/encode/{model_name}'
         payload = dict(
-            on=endpoint,
+            on=f'/encode/{model_name}',
             inputs=self._iter_doc(content),
             request_size=kwargs.get('batch_size', 8),
             total_docs=len(content) if hasattr(content, '__len__') else None,