diff --git a/daq/src/aaredaq/auth.py b/daq/src/aaredaq/auth.py
index a1eb1718..3f132258 100644
--- a/daq/src/aaredaq/auth.py
+++ b/daq/src/aaredaq/auth.py
@@ -37,16 +37,15 @@ def authenticate_user(cfg: BeamlineConfig, form_data: OAuth2PasswordRequestForm)
     user_info = pwd.getpwnam(form_data.username)
 
     groups = os.getgrouplist(user_info.pw_name, user_info.pw_gid)
-    supplementary_groups = [grp.getgrgid(g).gr_name for g in groups]
+    supplementary_groups = [grp.getgrgid(g).gr_name.lower() for g in groups]
 
     pgroups = [group for group in supplementary_groups if group.startswith('p')]
-    staff = "unx-MXgroup" in supplementary_groups
-    pgroups.append("p20000")
+    staff = "unx-mxgroup" in supplementary_groups or "unx-sls_mx" in supplementary_groups
     token = TokenData(sub=form_data.username,
                       pgroups=pgroups,
                       staff=staff,
                       session=cfg.generate_session())
-
+    print(f"User {form_data.username} groups: {groups} supplementary groups: {supplementary_groups} pgroups: {pgroups} staff: {staff}")
     return create_access_token(token)