diff --git a/chaperone/cutil/config.py b/chaperone/cutil/config.py
index d5a9295..fe239ba 100644
--- a/chaperone/cutil/config.py
+++ b/chaperone/cutil/config.py
@@ -512,7 +512,7 @@ def __init__(self, *args, default = None, uid = None, extra_settings = None, dis
 
         for fn in args:
             if os.path.exists(fn):
-                self._merge(yaml.load(open(fn, 'r').read().expandtabs()))
+                self._merge(yaml.load(open(fn, 'r').read().expandtabs(), Loader=yaml.FullLoader))
         
         if not self._conf and default:
             self._conf = lazydict(yaml.load(default))