diff --git a/scripts/upgrade.sh b/scripts/upgrade.sh
index 2be7b49df..feb3091a8 100755
--- a/scripts/upgrade.sh
+++ b/scripts/upgrade.sh
@@ -3,7 +3,7 @@
 set -eu
 
 # Backup database
-SQL_BACKUP_PATH="/var/www/peertube/backup/sql-peertube_prod-$(date +\"%Y%m%d-%H%M\").bak" 
+SQL_BACKUP_PATH="/var/www/peertube/backup/sql-peertube_prod-$(date +"%Y%m%d-%H%M").bak" 
 mkdir -p /var/www/peertube/backup
 pg_dump -U peertube -W -h localhost -F c peertube_prod -f "$SQL_BACKUP_PATH"