diff --git a/Tools/trailer_folder_migration.sh b/Tools/trailer_folder_migration.sh
index 7629091..37b6101 100755
--- a/Tools/trailer_folder_migration.sh
+++ b/Tools/trailer_folder_migration.sh
@@ -132,6 +132,10 @@ for show_dir in "${!SHOW_FILES[@]}"; do
             FAIL_LIST+=("$show_name")
             continue
         }
+        # mkdir as root defaults to root:root 777 — match the library's
+        # nobody:users / 755 convention (PERMISSIONS_OWNER/PERMISSIONS_DIR_MODE)
+        chown "${PERMISSIONS_OWNER:-nobody:users}" "$trailers_dir" 2>/dev/null
+        chmod "${PERMISSIONS_DIR_MODE:-755}" "$trailers_dir" 2>/dev/null
     fi
 
     idx=0