diff --git a/app/views/page_parts/_widget_form.html.erb b/app/views/page_parts/_widget_form.html.erb
index fd9dbbb..fa8f2ba 100644
--- a/app/views/page_parts/_widget_form.html.erb
+++ b/app/views/page_parts/_widget_form.html.erb
@@ -29,7 +29,7 @@
 			<label class="control-label muted"><%= t(:tags) %></label>
 			<div class="controls">
 				<label class="checkbox">
-					<input type="checkbox" <%= @subpart.tags.include?("all") ? "checked='checked'" : "" %> value="all" name="page_part[sub_parts_attributes][<%= @select_number %>][tags][]">
+					<input type="checkbox" <%= @subpart.tags.include?("all") ? "checked='checked'" : "" rescue false %> value="all" name="page_part[sub_parts_attributes][<%= @select_number %>][tags][]">
 					<%= t(:all) %>
 				</label>
 				<% @tags.each do |tag| %>