diff --git a/puepy/core.py b/puepy/core.py
index fb6967b..330bd6d 100644
--- a/puepy/core.py
+++ b/puepy/core.py
@@ -299,11 +299,13 @@ def _render_onto(self, element, attrs):
                     element.setAttribute("checked", self.origin.state[self.bind])
                 else:
                     element.checked = bool(self.origin.state[self.bind])
+                    element.setAttribute("checked", self.origin.state[self.bind])
             else:
                 if is_server_side:
                     element.setAttribute("value", self.origin.state[self.bind])
                 else:
                     element.value = self.origin.state[self.bind]
+                    element.setAttribute("value", self.origin.state[self.bind])
 
             self._add_event_listener(element, "input", self.on_bind_input)
         elif self.bind: