diff --git a/pages/newcontext/base.py b/pages/newcontext/base.py
index 9a6ca06..b33170d 100644
--- a/pages/newcontext/base.py
+++ b/pages/newcontext/base.py
@@ -12,8 +12,10 @@ def context(self) -> typing.Dict[str, typing.Any]:
 
 class Contexts(Context):
 
-    def __init__(self, *contexts: typing.List[Context]):
-        self.contexts = contexts
+    # use context as list, not as args pack (`*context`)
+    # to move attention on homogeneous nature of args
+    def __init__(self, contexts: typing.List[Context]):
+        self.contexts = contexts or []
 
     def context(self):
         return dict(collections.ChainMap(