diff --git a/preprocess_flist_config.py b/preprocess_flist_config.py
index 9a7da50..6a29726 100644
--- a/preprocess_flist_config.py
+++ b/preprocess_flist_config.py
@@ -78,6 +78,8 @@ if __name__ == "__main__":
             f.write(wavpath + "\n")
 
     config_template["spk"] = spk_dict
+    config_template["model"]["n_speakers"] = spk_id
+	
     print("Writing configs/config.json")
     with open("configs/config.json", "w") as f:
         json.dump(config_template, f, indent=2)