diff --git a/pywb/utils/loaders.py b/pywb/utils/loaders.py
index e2426dc8..d3fc7be7 100644
--- a/pywb/utils/loaders.py
+++ b/pywb/utils/loaders.py
@@ -73,7 +73,7 @@ def load_yaml_config(config_file):
     configdata = None
     try:
         configdata = load(config_file)
-        config = yaml.load(configdata)
+        config = yaml.load(configdata, Loader=yaml.Loader)
     finally:
         no_except_close(configdata)