diff --git a/src/frontpanel.rs b/src/frontpanel.rs
index 94d297d..76263ef 100644
--- a/src/frontpanel.rs
+++ b/src/frontpanel.rs
@@ -98,7 +98,7 @@ impl Widget for &mut Frontpanel<'_> {
         );
         let led_textures =
             led::Textures::new(self.textures.led_on.clone(), self.textures.led_off.clone());
-        let resp = ui.allocate_response(vec2(800.0, 333.0), Sense::click());
+        let mut resp = ui.allocate_response(vec2(800.0, 333.0), Sense::click());
         resp.request_focus();
         let fp_rect = resp.rect;
         ui.allocate_ui_at_rect(fp_rect, |ui| {
@@ -136,6 +136,7 @@ impl Widget for &mut Frontpanel<'_> {
                         {
                             self.state.power = !power_inv;
                             self.interaction = Some(FrontpanelInteraction::Power(self.state.power));
+                            resp.mark_changed();
                         };
                     });
                 }
@@ -162,6 +163,7 @@ impl Widget for &mut Frontpanel<'_> {
                         {
                             self.state.ad_sws =
                                 (self.state.ad_sws & !(bit_mask)) | (u16::from(sw_state) << (16 - i));
+                            resp.mark_changed();
                         };
                     });
                 }
@@ -206,6 +208,7 @@ impl Widget for &mut Frontpanel<'_> {
                                 _ => unreachable!(),
                             };
                             self.interaction = Some(FrontpanelInteraction::ActionSw(sw, *state));
+                            resp.mark_changed();
                         };
                     });
                 }