diff --git a/build/build.php b/build/build.php
index b357ab4c8a3e5..916b4bb13d274 100644
--- a/build/build.php
+++ b/build/build.php
@@ -143,13 +143,14 @@
 
 		continue;
 	}
-
+	
+	$fromName = $num == 0 ? 'x' : $num;
 	// Create the diff archive packages using the file name list.
-	system('tar --create --bzip2 --no-recursion --directory '.$full.' --file packages'.$version.'/Joomla_'.$version.'.'.$num.'_to_'.$full.'-Stable-Patch_Package.tar.bz2 --files-from diffconvert/'.$version.'.'.$num . '> /dev/null');
-	system('tar --create --gzip  --no-recursion --directory '.$full.' --file packages'.$version.'/Joomla_'.$version.'.'.$num.'_to_'.$full.'-Stable-Patch_Package.tar.gz  --files-from diffconvert/'.$version.'.'.$num . '> /dev/null');
+	system('tar --create --bzip2 --no-recursion --directory '.$full.' --file packages'.$version.'/Joomla_'.$version.'.'.$fromName.'_to_'.$full.'-Stable-Patch_Package.tar.bz2 --files-from diffconvert/'.$version.'.'.$num . '> /dev/null');
+	system('tar --create --gzip  --no-recursion --directory '.$full.' --file packages'.$version.'/Joomla_'.$version.'.'.$fromName.'_to_'.$full.'-Stable-Patch_Package.tar.gz  --files-from diffconvert/'.$version.'.'.$num . '> /dev/null');
 
 	chdir(''.$full);
-	system('zip ../packages'.$version.'/Joomla_'.$version.'.'.$num.'_to_'.$full.'-Stable-Patch_Package.zip -@ < ../diffconvert/'.$version.'.'.$num . '> /dev/null');
+	system('zip ../packages'.$version.'/Joomla_'.$version.'.'.$fromName.'_to_'.$full.'-Stable-Patch_Package.zip -@ < ../diffconvert/'.$version.'.'.$num . '> /dev/null');
 	chdir('..');
 }