diff --git a/app/lib/formatter.rb b/app/lib/formatter.rb
index 97fc3f4bb..326f0655b 100644
--- a/app/lib/formatter.rb
+++ b/app/lib/formatter.rb
@@ -327,7 +327,7 @@ class Formatter
 
   def bbcode_formatter(html)
     begin
-      html.gsub!(/\[(?=\W)/, "\uf666")
+      html.gsub!(/\[(?=[^\w\/])/, "\uf666")
       html = html.bbcode_to_html(false, BBCODE_TAGS, :enable, *BBCODE_TAGS.keys)
       html.gsub!("\uf666", '[')
     rescue Exception => e