diff --git a/boards/forms.py b/boards/forms.py
--- a/boards/forms.py
+++ b/boards/forms.py
@@ -82,7 +82,7 @@ class FormatPanel(forms.Textarea):
                       formatter.preview_right + '</span>'
 
         output += '</div>'
-        output += super(FormatPanel, self).render(name, value, attrs=None)
+        output += super(FormatPanel, self).render(name, value, attrs=attrs)
 
         return output