diff --git a/libervia/backend/plugins/plugin_xep_0059.py b/libervia/backend/plugins/plugin_xep_0059.py
index cf6c0a3d..569722ea 100644
--- a/libervia/backend/plugins/plugin_xep_0059.py
+++ b/libervia/backend/plugins/plugin_xep_0059.py
@@ -196,8 +196,7 @@ class XEP_0059:
         rsm_args = {}
         for arg in ("max", "after", "before", "index"):
             try:
-                argname = "max_" if arg == "max" else arg
-                rsm_args[argname] = extra.pop(f"{RSM_PREFIX}{arg}")
+                rsm_args[arg] = extra.pop(f"{RSM_PREFIX}{arg}")
             except KeyError:
                 continue