diff --git a/src/gui/event-editor/gcal-schedule-section.ui b/src/gui/event-editor/gcal-schedule-section.ui
index 23e47e1e..ac8b5e8a 100644
--- a/src/gui/event-editor/gcal-schedule-section.ui
+++ b/src/gui/event-editor/gcal-schedule-section.ui
@@ -7,6 +7,7 @@
     <child>
       <object class="AdwToggleGroup" id="schedule_type_toggle_group">
         <property name="active-name">time-slot</property>
+        <property name="homogeneous">True</property>
         <child>
           <object class="AdwToggle">
             <property name="label" translatable="yes">_All Day</property>