diff --git a/templates/includes/forms/log.html.tera b/templates/includes/forms/log.html.tera
index e444899..7395747 100644
--- a/templates/includes/forms/log.html.tera
+++ b/templates/includes/forms/log.html.tera
@@ -70,7 +70,7 @@
     </form>
 {% endmacro new %}
 {% macro boat_select(id="boat_id") %}
-    {{ macros::select(label="Boot", data=boats, name="boat_id", id=id, display=["name", " (","cat",")"], extras=["default_shipmaster_only_steering", "amount_seats", "on_water", "default_destination"], wrapper_class="col-span-4", show_seats=true, nonSelectableDefault=" -- Wähle ein Boot aus ---") }}
+    {{ macros::select(label="Boot", data=boats, name="boat_id", required=true, id=id, display=["name", " (","cat",")"], extras=["default_shipmaster_only_steering", "amount_seats", "on_water", "default_destination"], wrapper_class="col-span-4", show_seats=true, nonSelectableDefault=" -- Wähle ein Boot aus ---") }}
 {% endmacro boat_select %}
 {% macro rower_select(id, selected, amount_seats='', class='', init='false', cox_on_boat='', steering_person_id='') %}
     {#{% if not amount_seats or amount_seats > 1 %}#}
diff --git a/templates/trailerreservations.html.tera b/templates/trailerreservations.html.tera
index b938bd2..7c55e14 100644
--- a/templates/trailerreservations.html.tera
+++ b/templates/trailerreservations.html.tera
@@ -19,7 +19,7 @@
         <div class="hidden">
             <div id="new-reservation">
                 <form action="/trailerreservation/new" method="post" class="grid gap-3">
-                    {{ macros::select(label="Anhänger", data=trailers, name="trailer_id", id="trailer_id", display=["name"], wrapper_class="col-span-4", nonSelectableDefault=" -- Wähle einen Hänger aus ---") }}
+                    {{ macros::select(label="Anhänger", data=trailers, name="trailer_id", id="trailer_id", display=["name"], wrapper_class="col-span-4", nonSelectableDefault=" -- Wähle einen Hänger aus ---", required=true) }}
                     {% if not loggedin_user %}{{ macros::select(label='Reserviert von', data=user, name='user_id_applicant') }}{% endif %}
                     {{ macros::input(label='Beginn', name='start_date', type='date', required=true, wrapper_class='col-span-4') }}
                     {{ macros::input(label='Ende', name='end_date', type='date', required=true, wrapper_class='col-span-4') }}