diff --git a/src/scripts/build.xml b/src/scripts/build.xml
index b8eccd4..19baab5 100644
--- a/src/scripts/build.xml
+++ b/src/scripts/build.xml
@@ -174,9 +174,10 @@
 		<chmod file='${distdir}/jajuk' perm='ugo+rx' />
 
 		<!-- Set build date -->
-		<tstamp>
-			<format property='build.time' pattern='yyyy/MM/dd HH:mm' />
-		</tstamp>
+		<exec executable="dpkg-parsechangelog" outputproperty="build.time">
+			<arg value="--show-field"/>
+			<arg value="Date"/>
+		</exec>
 		<echo message='Build time: ${build.time}' />
 		<replace dir='${distdir}/src/org/jajuk/util' value='${build.time}' encoding='UTF-8'>
 			<include name='Const.java' />