diff --git a/build.xml b/build.xml
index 0fda49d1..bb644f72 100644
--- a/build.xml
+++ b/build.xml
@@ -124,7 +124,7 @@
 
 
 	<target name="fatjar" depends="jar" description="Build executable jar">
-		<jar destfile="${path.fatjar}" filesetmanifest="merge" duplicate="fail" index="yes">
+		<jar destfile="${path.fatjar}" filesetmanifest="merge" duplicate="fail" index="yes" compress="no">
 			<!-- include main jar -->
 			<zipfileset src="${dir.dist}/filebot.jar" />
 
@@ -903,8 +903,13 @@
 
 
 	<target name="deploy-beta-jar" depends="fatjar" description="Build and deploy the latest jar">
-		<scp file="${path.fatjar}" remoteTofile="${deploy.release}/HEAD/filebot-r${revision}.jar" trust="yes" verbose="true" sftp="true" keyfile="${deploy.keyfile}" />
-		<scp file="${path.fatjar}" remoteTofile="${deploy.release}/HEAD/FileBot.jar" trust="yes" verbose="true" sftp="true" keyfile="${deploy.keyfile}" />
+		<cmp:xz destfile="${path.fatjar}.xz">
+			<cmp:tar format="gnu" encoding="utf-8">
+				<cmp:tarfileset file="${path.fatjar}" />
+			</cmp:tar>
+		</cmp:xz>
+		<scp file="${path.fatjar}.xz" remoteTofile="${deploy.release}/HEAD/filebot-r${revision}.jar.xz" trust="yes" verbose="true" sftp="true" keyfile="${deploy.keyfile}" />
+		<scp file="${path.fatjar}.xz" remoteTofile="${deploy.release}/HEAD/FileBot.jar.xz" trust="yes" verbose="true" sftp="true" keyfile="${deploy.keyfile}" />
 	</target>