diff --git a/build.xml b/build.xml
index 58fb46b2..490dc5cb 100644
--- a/build.xml
+++ b/build.xml
@@ -311,11 +311,11 @@
 	<target name="ppa-binary" depends="svn-update">
 		<tar longfile="gnu" compression="gzip" destfile="${path.ubuntu-binary.tar.gz}">
 			<tarfileset fullpath="i686/opt/filebot/FileBot.jar" file="${path.fatjar}" />
-			<tarfileset fullpath="amd64/opt/filebot/FileBot.jar" file="${path.fatjar}" />
+			<tarfileset fullpath="x86_64/opt/filebot/FileBot.jar" file="${path.fatjar}" />
 			<tarfileset prefix="i686/opt/filebot" dir="${dir.lib}/native/linux-i686" includes="*.so" />
-			<tarfileset prefix="amd64/opt/filebot" dir="${dir.lib}/native/linux-amd64" includes="*.so" />
+			<tarfileset prefix="x86_64/opt/filebot" dir="${dir.lib}/native/linux-amd64" includes="*.so" />
 			<tarfileset prefix="i686/opt/filebot/bin" file="${dir.installer}/ubuntu/filebot.sh" filemode="755" />
-			<tarfileset prefix="amd64/opt/filebot/bin" file="${dir.installer}/ubuntu/filebot.sh" filemode="755" />
+			<tarfileset prefix="x86_64/opt/filebot/bin" file="${dir.installer}/ubuntu/filebot.sh" filemode="755" />
 			<tarfileset fullpath="filebot.desktop" file="${dir.installer}/ubuntu/FileBot.desktop" />
 			<tarfileset fullpath="filebot.svg" file="${dir.installer}/icons/icon.svg" />