diff --git a/packdata.sh b/packdata.sh
index 3645b1d..f5ca7f3 100755
--- a/packdata.sh
+++ b/packdata.sh
@@ -1,11 +1,11 @@
 #!/bin/bash
 set -e
-zip -9jX  Game/blockattack.data source/AUTH
+zip -9ojX  Game/blockattack.data source/AUTH
 pushd Game/data
-zip -9X $(find ../blockattack.data ./* | sort) -x \*svn*
+zip -9oX $(find ../blockattack.data ./* | sort) -x \*svn*
 popd
 pushd Game/mods/1.3.0.bricks_unpacked.data/
-zip -9X ../1.3.0.bricks.data $(find ./* | sort)
+zip -9oX ../1.3.0.bricks.data $(find ./* | sort)
 popd
 pushd man
 gzip -9n -c blockattack.man > blockattack.6.gz