diff --git a/resource_booking/static/src/scss/portal.scss b/resource_booking/static/src/scss/portal.scss
index cbca7f46..c7373b0b 100644
--- a/resource_booking/static/src/scss/portal.scss
+++ b/resource_booking/static/src/scss/portal.scss
@@ -6,3 +6,7 @@
     max-height: 40vh;
     overflow: auto;
 }
+// Show full dropdown if opened at the bottom
+.resource_booking_portal_schedule {
+    overflow: initial;
+}
diff --git a/resource_booking/templates/portal.xml b/resource_booking/templates/portal.xml
index 05cf8742..3126b1fa 100644
--- a/resource_booking/templates/portal.xml
+++ b/resource_booking/templates/portal.xml
@@ -545,6 +545,7 @@
             </t>
             <!-- Scheduling form -->
             <t t-call="portal.portal_record_layout">
+                <t t-set="classes" t-value="'resource_booking_portal_schedule'" />
                 <t t-set="card_header">
                     <t t-call="resource_booking.resource_booking_portal_header" />
                 </t>