diff --git a/Jenkinsfile b/Jenkinsfile
index dcd797b..8d86934 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -128,7 +128,7 @@ pipeline {
           VERSION=$(cat VERSION | cut -d"'" -f2)
           BRANCH=${BRANCH_NAME}
           ZIP_FILE="url-shortener_${BRANCH_NAME}_$(cat VERSION | cut -d"'" -f2).tgz"
-          sha256 ZIP_FILE >> SHA256.sig
+          sha256 $ZIP_FILE >> SHA256.sig
           rsync SHA256.sig artifactor@10.0.0.9:projects/url-shortener/$BRANCH/$VERSION/$UUID/
           rsync $ZIP_FILE artifactor@10.0.0.9:projects/url-shortener/$BRANCH/$VERSION/$UUID/
           '''