diff --git a/app/views/bootstrap/_custom_checkbox.haml b/app/views/bootstrap/_custom_checkbox.haml
index 339c05d2..0c3ff3a6 100644
--- a/app/views/bootstrap/_custom_checkbox.haml
+++ b/app/views/bootstrap/_custom_checkbox.haml
@@ -1,4 +1,4 @@
-- help_id = "#{id}-help"
+- help_id = "#{id}_help"
 
 .custom-control.custom-checkbox
   %input.custom-control-input{ id: id, type: 'checkbox', name: name, value: value, required: required }