diff --git a/client-py3/full/src/uds/rest.py b/client-py3/full/src/uds/rest.py
index f544cab2..bcf39858 100644
--- a/client-py3/full/src/uds/rest.py
+++ b/client-py3/full/src/uds/rest.py
@@ -231,8 +231,8 @@ class RestApi:
                 # Ask about invalid certificate
                 if certErrorCallback:
                     if certErrorCallback(hostname, serial):
-                        ctx.verify_mode = ssl.CERT_NONE
                         ctx.check_hostname = False
+                        ctx.verify_mode = ssl.CERT_NONE
                         response = urlopen(url)
                 else:
                     raise