diff --git a/capsulflask/http_client.py b/capsulflask/http_client.py
index 30b76a9..0f1d0ea 100644
--- a/capsulflask/http_client.py
+++ b/capsulflask/http_client.py
@@ -74,7 +74,7 @@ class MyHTTPClient:
     # append to tasks in the same order as online_hosts
     for host in online_hosts:
         tasks.append(
-            self.post_json(url=f"{host.url}/{url_suffix}", body=body, authorization_header=authorization_header)
+            self.post_json(url=f"{host.url}{url_suffix}", body=body, authorization_header=authorization_header)
         )
     # gather is like Promise.all from javascript, it returns a future which resolves to an array of results 
     # in the same order as the tasks that we passed in -- which were in the same order as online_hosts