diff --git a/app/models/orga.rb b/app/models/orga.rb
index bb0176b1..fcda34f7 100644
--- a/app/models/orga.rb
+++ b/app/models/orga.rb
@@ -73,7 +73,7 @@ class Orga < ApplicationRecord
   end
 
   def name_as_tag
-    name.gsub(/\AL'/, '').gsub(/[\s\*']/, '-').delete ':'
+    name.gsub(/\AL'/, '').gsub(/[\s\*'\.]/, '-').delete ':'
   end
 
   def as_json(_options = {})