diff --git a/colab.ipynb b/colab.ipynb
index 617321e..6f08a1d 100644
--- a/colab.ipynb
+++ b/colab.ipynb
@@ -314,6 +314,10 @@
    "outputs": [],
    "source": [
     "from gradio_tabs.train import preprocess_all\n",
+    "from style_bert_vits2.nlp.japanese import pyopenjtalk_worker\n",
+    "\n",
+    "\n",
+    "pyopenjtalk_worker.initialize_worker()\n",
     "\n",
     "preprocess_all(\n",
     "    model_name=model_name,\n",