diff --git a/app/views/sections/_add_section.html.erb b/app/views/sections/_add_section.html.erb
index b8a2077..93564b8 100644
--- a/app/views/sections/_add_section.html.erb
+++ b/app/views/sections/_add_section.html.erb
@@ -25,7 +25,8 @@
           <tr>
             <td class="first_template"><%= _('Order of display') %></td>
             <td>
-              <%= f.number_field :number, in: 1..15, class: "number_field has-tooltip", "data-toggle" => "tooltip", title: _('This allows you to order sections.') %>
+              <% range = @phase.template.customization_of.present? ? 0..15 : 1..15 %>
+              <%= f.number_field :number, in: range, class: "number_field has-tooltip", "data-toggle" => "tooltip", title: _('This allows you to order sections.') %>
             </td>
           </tr>
           <tr>
diff --git a/app/views/sections/_edit_section.html.erb b/app/views/sections/_edit_section.html.erb
index 9f12aeb..4bc7cfc 100644
--- a/app/views/sections/_edit_section.html.erb
+++ b/app/views/sections/_edit_section.html.erb
@@ -39,7 +39,8 @@
         <table class="dmp_details_table">
           <tr>
             <td class="first_template"><%= _('Order of display') %></td>
-            <td><%= s.number_field :number, in: 1..15, class: "number_field has-tooltip", 'data-toggle' => "tooltip", 'title' => _('This allows you to order sections.') %></td>
+            <% range = @phase.template.customization_of.present? ? 0..15 : 1..15 %>
+            <td><%= s.number_field :number, in: range, class: "number_field has-tooltip", 'data-toggle' => "tooltip", 'title' => _('This allows you to order sections.') %></td>
           </tr>
           <tr>
             <td class="first_template"><%= _('Description') %></td>