diff --git a/deploy.sh b/deploy.sh
index d6664d8e1824646062f1792da88920d08257ce52..97830dd0b8ce372a6250146c17df80e7d3767762 100644
--- a/deploy.sh
+++ b/deploy.sh
@@ -1,6 +1,6 @@
 # Backing up currently running nginx sites.
 mkdir -p "${SITES_BACKUP:?}"
-cp "${APP_DIR:?}/nginx/sites-enabled/"* "${SITES_BACKUP}"
+cp -f "${APP_DIR:?}/nginx/sites-enabled/"* "${SITES_BACKUP}"
 
 # Removing all data from previous installation.
 rm -rf "${APP_DIR:?}/"*