diff --git a/lona/templating.py b/lona/templating.py
index 9a5aa137..b46eca89 100644
--- a/lona/templating.py
+++ b/lona/templating.py
@@ -41,7 +41,7 @@ def state(self):
     def client_version(self):
         # TODO: remove in Lona 2.0
 
-        lona.warning.remove_2_0()
+        lona.warnings.remove_2_0()
         return get_client_version()
 
     def load_stylesheets(self):