diff --git a/post-tycho.sh b/post-tycho.sh
index 304c72f..8d213f7 100644
--- a/post-tycho.sh
+++ b/post-tycho.sh
@@ -71,8 +71,11 @@
 product_file_name="EclipseRTWebStarterKit-"$product_version_built".tar.gz"
 product_file_zip_name="EclipseRTWebStarterKit-"$product_version_built".zip"
 repository_archive_file_name="EclipseRTWebStarterKit-repository-"$product_version_built".zip"
-[ -d "jetty-features/org.eclipse.jetty.product/target/$repository_archive_file_name" ] && rm "jetty-features/org.eclipse.jetty.product/target/$repository_archive_file_name"
-zip -r "jetty-features/org.eclipse.jetty.product/target/$repository_archive_file_name" jetty-features/org.eclipse.jetty.product/target/repository
+curr_dir=`pwd`
+cd jetty-features/org.eclipse.jetty.product/target
+[ -d "$repository_archive_file_name" ] && rm "$repository_archive_file_name"
+zip -r "$repository_archive_file_name" repository
+cd $curr_dir
 
 mv jetty-features/org.eclipse.jetty.product/target/$repository_archive_file_name $builtrepodir/
 cp $product_file $builtrepodir/$product_file_name