diff --git a/web/tupa/laskentatyypit.py b/web/tupa/laskentatyypit.py
index 4dbe8a0..7c4d30c 100644
--- a/web/tupa/laskentatyypit.py
+++ b/web/tupa/laskentatyypit.py
@@ -76,7 +76,7 @@ def operate_to_all(self, function2, other):
             oper = MathListDict({})
             for k in self.keys():
                 try:
-                    oper[k] = [(function2(self[k], x, *args) for x in other)]
+                    oper[k] = [(function2(self[k], x) for x in other)]
                 except KeyError:
                     pass
                 except TypeError: