diff --git a/scripts/backup b/scripts/backup
index 6c74a0b..d4006e2 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -25,7 +25,7 @@ ynh_backup --src_path="$install_dir"
 # BACKUP THE DATA DIR
 #=================================================
 
-ynh_backup --src_path="$data_path" --is_big
+ynh_backup --src_path="$data_dir" --is_big
 
 #=================================================
 # BACKUP THE NGINX CONFIGURATION