diff --git a/data/ui/new-calendar-page.ui b/data/ui/new-calendar-page.ui
index 273e568e..173a55ca 100644
--- a/data/ui/new-calendar-page.ui
+++ b/data/ui/new-calendar-page.ui
@@ -324,6 +324,13 @@
 
   <!-- Calendar file filter -->
   <object class="GtkFileFilter" id="calendar_file_filter">
+    <patterns>
+      <pattern>*.ical</pattern>
+      <pattern>*.icalendar</pattern>
+      <pattern>*.ics</pattern>
+      <pattern>*.ifb</pattern>
+      <pattern>*.vcs</pattern>
+    </patterns>
     <mime-types>
       <mime-type>text/calendar</mime-type>
     </mime-types>