diff --git a/modules/purchase_trade/view/charter_condition_form.xml b/modules/purchase_trade/view/charter_condition_form.xml
index b8f08b6..34a9dd5 100644
--- a/modules/purchase_trade/view/charter_condition_form.xml
+++ b/modules/purchase_trade/view/charter_condition_form.xml
@@ -31,7 +31,7 @@
             <field name="laytime_start_offset"/>
             <label name="laytime_start_offset_unit"/>
             <field name="laytime_start_offset_unit"/>
-            <separator string="Start candidates" colspan="4"/>
+            <separator id="start_candidates" string="Start candidates" colspan="4"/>
             <field name="laytime_start_rules" colspan="4" mode="tree,form"
                 view_ids="purchase_trade.charter_condition_laytime_start_rule_view_tree,purchase_trade.charter_condition_laytime_start_rule_view_form"/>
             <label name="laytime_clause"/>