diff --git a/edbob/pyramid/templates/forms/fieldset.mako b/edbob/pyramid/templates/forms/fieldset.mako
index 8224cd5..30cf89b 100644
--- a/edbob/pyramid/templates/forms/fieldset.mako
+++ b/edbob/pyramid/templates/forms/fieldset.mako
@@ -1,7 +1,7 @@
 <% _focus_rendered = False %>
 
 <div class="fieldset-form ${class_}">
-  ${h.form(fieldset.url_action+('?uuid='+fieldset.model.uuid) if fieldset.edit else '')}
+  ${h.form(fieldset.url_action+('?uuid='+fieldset.model.uuid) if fieldset.edit else '', enctype='multipart/form-data')}
 
   % for error in fieldset.errors.get(None, []):
       <div class="fieldset-error">${error}</div>