Index: build.xml
===================================================================
--- build.xml	(revision 111)
+++ build.xml	(revision 113)
@@ -63,5 +63,7 @@
         </exec>
         <apply executable="msgmerge">
-        	<arg line="-U ${build}/keys.pot"/>
+        	<arg value="-U"/>
+			<srcfile/>
+        	<arg file="${build}/keys.pot"/>
         	<fileset dir="${po}">
         		<include name="*.po"/>