diff --git a/config/application.rb b/config/application.rb
index c493e143e12a242746872c4ac8a58e41a885d2c9..798137adb8824028d6d3805a122a2a5b41e65b53 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -59,7 +59,7 @@ module Osuny
       "name", "sizes", "src", "srcset", "style", "target", "title", "type", "width", "xml:lang"
     ]
 
-    config.allowed_special_chars = '#?!,@$%^&*+£µ-'
+    config.allowed_special_chars = '#?!,@$%^&*+£µ-:;'
 
     config.generators do |g|
       g.orm :active_record, primary_key_type: :uuid