diff --git a/src/HttpCtrl/__init__.py b/src/HttpCtrl/__init__.py
index 0a2de73..a0dc9e2 100755
--- a/src/HttpCtrl/__init__.py
+++ b/src/HttpCtrl/__init__.py
@@ -458,7 +458,7 @@ def send_https_request_async(self, method, url, body=None, resp_body_to_file=Non
             ${connection}=   Send HTTPS Request Async   DELETE   /delete
 
         """
-        return self.__sent_request_async('http', method, url, body, resp_body_to_file)
+        return self.__sent_request_async('https', method, url, body, resp_body_to_file)
 
 
     def set_request_header(self, key, value):