diff --git a/kalpy/models.py b/kalpy/models.py
index ced90c3..fba5270 100644
--- a/kalpy/models.py
+++ b/kalpy/models.py
@@ -381,7 +381,7 @@ def _load_meta_data(self):
             else:
                 with open(meta_path, "r", encoding="utf8") as f:
                     if file_format == "yaml":
-                        self._meta = yaml.load(f, Loader=yaml.Loader)
+                        self._meta = yaml.load(f, Loader=yaml.SafeLoader)
                     else:
                         self._meta = json.load(f)
                 if self._meta["features"] == "mfcc+deltas":