diff --git a/evolution-2.26.3-missing-gconf-schemas.patch b/evolution-2.26.3-missing-gconf-schemas.patch
index 767015d..17c07af 100644
--- a/evolution-2.26.3-missing-gconf-schemas.patch
+++ b/evolution-2.26.3-missing-gconf-schemas.patch
@@ -1,6 +1,6 @@
 diff -up evolution-2.26.3/calendar/gui/apps_evolution_calendar.schemas.in.missing-gconf-schemas evolution-2.26.3/calendar/gui/apps_evolution_calendar.schemas.in
 --- evolution-2.26.3/calendar/gui/apps_evolution_calendar.schemas.in.missing-gconf-schemas	2009-06-26 10:49:50.000000000 -0400
-+++ evolution-2.26.3/calendar/gui/apps_evolution_calendar.schemas.in	2009-07-31 06:55:42.000000000 -0400
++++ evolution-2.26.3/calendar/gui/apps_evolution_calendar.schemas.in	2009-07-31 11:58:24.000000000 -0400
 @@ -4,6 +4,17 @@
      <!-- Display -->
  
@@ -19,10 +19,23 @@ diff -up evolution-2.26.3/calendar/gui/apps_evolution_calendar.schemas.in.missin
        <key>/schemas/apps/evolution/calendar/display/timezone</key>
        <applyto>/apps/evolution/calendar/display/timezone</applyto>
        <owner>evolution-calendar</owner>
-@@ -400,9 +411,33 @@
+@@ -400,9 +411,46 @@
        </locale>
      </schema>
  
++    <schema>
++      <key>/schemas/apps/evolution/calendar/display/use_system_timezone</key>
++      <applyto>/apps/evolution/calendar/display/use_system_timezone</applyto>
++      <owner>evolution-calendar</owner>
++      <type>bool</type>
++      <default>false</default>
++      <locale name="C">
++        <short>Use system timezone</short>
++        <long>Use the system timezone instead of the timezone selected
++        in Evolution.</long>
++      </locale>
++    </schema>
++
 +    <!-- Memos -->
 +
 +    <schema>