diff --git a/src/wayland/dispatcher.rs b/src/wayland/dispatcher.rs
index ea9de23..2075a9e 100644
--- a/src/wayland/dispatcher.rs
+++ b/src/wayland/dispatcher.rs
@@ -195,6 +195,7 @@ impl Dispatcher {
             device::Event::Interface { object } => {
                 if let Some(kbd) = object.downcast() {
                     self.seat.keyboard_mut().set_ei_keyboard(dev, kbd);
+                    self.seat.button_mut().update_keys_supported();
                 }
             },
             device::Event::Name { .. } => (),