diff --git a/data/ui/source-dialog.ui b/data/ui/source-dialog.ui
index 27528b0f..b60c7893 100644
--- a/data/ui/source-dialog.ui
+++ b/data/ui/source-dialog.ui
@@ -5,6 +5,7 @@
   <template class="GcalSourceDialog" parent="GtkDialog">
     <property name="can_focus">False</property>
     <property name="type_hint">dialog</property>
+    <property name="use_header_bar">1</property>
     <child internal-child="vbox">
       <object class="GtkBox" id="vbox">
         <property name="can_focus">False</property>