--- a/libervia/backend/tools/common/template.py	Tue Nov 28 17:41:02 2023 +0100
+++ b/libervia/backend/tools/common/template.py	Tue Nov 28 17:41:49 2023 +0100
@@ -49,6 +49,7 @@
 from libervia.backend.core.log import getLogger
 from libervia.backend.tools import config
 from libervia.backend.tools.common import date_utils
+from libervia.frontends.tools import jid
 
 log = getLogger(__name__)
 
@@ -469,6 +470,7 @@
         self.env.globals["C"] = C
 
         # custom filters
+        self.env.filters["bare_jid"] = self._bare_jid
         self.env.filters["next_gidx"] = self._next_gidx
         self.env.filters["cur_gidx"] = self._cur_gidx
         self.env.filters["date_fmt"] = self._date_fmt
@@ -758,6 +760,10 @@
         return os.path.join(site_root_dir, C.TEMPLATE_TPL_DIR, template_data.theme,
                             relative_url)
 
+    def _bare_jid(self, full_jid: str|jid.JID) -> str:
+        """Return the bare JID"""
+        return str(jid.JID(str(full_jid)).bare)
+
     @pass_context
     def _next_gidx(self, ctx, value):
         """Use next current global index as suffix"""