diff --git a/concourse/tasks/build-theia-package.sh b/concourse/tasks/build-theia-package.sh
index 606acf862..133d2ab8a 100755
--- a/concourse/tasks/build-theia-package.sh
+++ b/concourse/tasks/build-theia-package.sh
@@ -44,5 +44,5 @@ cd "$ext_folder"
 tar_file=$extension_id-v$qualified_version.tgz
 yarn pack --filename $tar_file
 
-cp $tarfile $workdir/out
+cp $tar_file $workdir/out