diff --git a/scripts/backup.sh b/scripts/backup.sh
index 385ca2c..e42bfa0 100644
--- a/scripts/backup.sh
+++ b/scripts/backup.sh
@@ -13,11 +13,11 @@ do
     first_destination_path="$application_path""first""$source_path";
     latest_destination_path="$application_path""latest""$source_path";
     backup_dir_path="$application_path""diffs/$backup_time/$source_path"
-    if [ -d "$first_destination_path" ]
+    if [ -d "$native_backups_mount_prefix$first_destination_path" ]
       then
         echo "backup: $source_path"
         destination_path="$latest_destination_path";
-        mkdir -p "$backup_dir_path";
+        mkdir -p "$native_backups_mount_prefix$backup_dir_path";
       else
         echo "first backup: $source_path"
         destination_path="$first_destination_path";