diff --git a/uisimulator/sdl/button.c b/uisimulator/sdl/button.c
index c5bc51816b..5114e7c2a8 100644
--- a/uisimulator/sdl/button.c
+++ b/uisimulator/sdl/button.c
@@ -106,6 +106,7 @@ void button_event(int key, bool pressed)
         break;
 
     case SDLK_KP_PLUS:
+    case SDLK_F8:
 #ifdef BUTTON_ON
         new_btn = BUTTON_ON;
 #elif defined(BUTTON_SELECT) && defined(BUTTON_PLAY)