1 files changed, 1 insertions, 1 deletions
diff --git a/catdap.yml b/catdap.yml
index dd82ea8..ba1c46f 100644
--- a/catdap.yml
+++ b/catdap.yml
@@ -32,7 +32,7 @@ Model::User:
         start_tls: 1
 
 register:
-        login_regex: ^[a-z][a-z0-9_-]*$
+        login_regex: ^[a-z][a-z0-9]*$
         login_blacklist:
                 - apache