diff --git a/deploy.sh b/deploy.sh
index 0eba7a2626d6b052571baf6bd587887db4de27c9..84d7a1be63b90349605a08fa446da6464a02adce 100755
--- a/deploy.sh
+++ b/deploy.sh
@@ -38,4 +38,9 @@ cp -r $DIR/ontology/unlock_docs/site $DIR/site/ontology
 cp -r $DIR/MetadataFields $DIR/site/
 cp -r $DIR/metadata_docs/site/* $DIR/site/MetadataFields/
 
+# make backup and deploy
+if [ -d $DIR/unlockdocs ]; then
+  rm -rf unlockdocs.bck
+  mv unlockdocs unlockdocs.bck
+fi
 mv $DIR/site $DIR/unlockdocs
\ No newline at end of file