diff --git a/multiphonon/ui/__init__.py b/multiphonon/ui/__init__.py
index 1be36d6..00b6a9b 100644
--- a/multiphonon/ui/__init__.py
+++ b/multiphonon/ui/__init__.py
@@ -31,7 +31,7 @@ def to_yaml(self, path):
         return
     def from_yaml(self, path):
         with open(path) as stream:
-            d = yaml.load(stream)
+            d = yaml.load(stream,Loader=yaml.FullLoader)
         for k, v in d.items():
             setattr(self, k,v)
             continue