diff --git a/openpilot/selfdrive/ui/mici/layouts/home.py b/openpilot/selfdrive/ui/mici/layouts/home.py
index 64f2961326..b567b405a8 100644
--- a/openpilot/selfdrive/ui/mici/layouts/home.py
+++ b/openpilot/selfdrive/ui/mici/layouts/home.py
@@ -1,4 +1,5 @@
 import datetime
+import math
 import time
 
 from openpilot.cereal import log
@@ -140,6 +141,7 @@ class MiciHomeLayout(Widget):
 
     self._experimental_icon = IconWidget("icons_mici/experimental_mode.png", (48, 48))
     self._chestnut_icon = IconWidget("icons_mici/chestnut_green.png", (68, 40))
+    self._chestnut_loading_icon = IconWidget("icons_mici/chestnut.png", (68, 40))
     self._chestnut_failed_icon = IconWidget("icons_mici/chestnut_orange.png", (68, 40))
     self._mic_icon = IconWidget("icons_mici/microphone.png", (32, 46))
     self._body_icon = IconWidget("icons_mici/body.png", (54, 37))
@@ -151,6 +153,7 @@ class MiciHomeLayout(Widget):
       NetworkIcon(),
       self._experimental_icon,
       self._chestnut_icon,
+      self._chestnut_loading_icon,
       self._chestnut_failed_icon,
       self._body_icon,
       self._mic_icon,
@@ -248,7 +251,9 @@ class MiciHomeLayout(Widget):
 
     # ***** Center-aligned bottom section icons *****
     self._experimental_icon.set_visible(ui_state.experimental_mode)
-    self._chestnut_icon.set_visible(ui_state.chestnut_state in (ChestnutState.READY, ChestnutState.LOADING, ChestnutState.ACTIVE))
+    self._chestnut_icon.set_visible(ui_state.chestnut_state in (ChestnutState.READY, ChestnutState.ACTIVE))
+    self._chestnut_loading_icon.set_visible(ui_state.chestnut_state == ChestnutState.LOADING)
+    self._chestnut_loading_icon.set_opacity(0.35 + 0.65 * (0.5 - 0.5 * math.cos(rl.get_time() * 6.0)))
     self._chestnut_failed_icon.set_visible(ui_state.chestnut_state in (ChestnutState.UNCOMPILED, ChestnutState.FAILED))
     self._mic_icon.set_visible(ui_state.recording_audio)
     self._body_icon.set_visible(bool(ui_state.is_body))
diff --git a/openpilot/system/ui/widgets/icon_widget.py b/openpilot/system/ui/widgets/icon_widget.py
index bf7790b937..f6f8a47231 100644
--- a/openpilot/system/ui/widgets/icon_widget.py
+++ b/openpilot/system/ui/widgets/icon_widget.py
@@ -14,3 +14,6 @@ class IconWidget(Widget):
   def _render(self, _) -> None:
     color = rl.Color(255, 255, 255, int(self._opacity * 255))
     rl.draw_texture_ex(self._texture, rl.Vector2(self._rect.x, self._rect.y), 0.0, 1.0, color)
+
+  def set_opacity(self, opacity: float) -> None:
+    self._opacity = opacity