diff --git a/src/cpu.c b/src/cpu.c
index 63ca70e..f4942cf 100644
--- a/src/cpu.c
+++ b/src/cpu.c
@@ -270,7 +270,7 @@ static void ExecBUSCB( void )
 static void ExecBUSCC( void )
 {
     debug1( DEBUG_C_TRACE, CPU_I_CALLED, "ExecBUSCC" );
-// 49g bugs here
+    // 49g bugs here
     ChfCondition CPU_F_INTERR, CHF_WARNING, "BUSCC" ChfEnd;
     ChfSignal();
 }
diff --git a/src/ui4x/sdl2.c b/src/ui4x/sdl2.c
index 031a74d..ec171fc 100644
--- a/src/ui4x/sdl2.c
+++ b/src/ui4x/sdl2.c
@@ -619,7 +619,7 @@ static SDL_Texture* create_button_texture( int hpkey, bool is_up )
     __draw_pixel( 1, BUTTONS[ hpkey ].h - 2, FRAME );
     // bottom-right
     __draw_pixel( BUTTONS[ hpkey ].w - 2, BUTTONS[ hpkey ].h - 2, FRAME );
-    if ( hpkey == HP48_KEY_ON ) {
+    if ( ( config.model == MODEL_49G && hpkey == HP49_KEY_ON) || hpkey == HP48_KEY_ON ) {
         // top
         __draw_line( 2, 1, BUTTONS[ hpkey ].w - 3, 1, FRAME );
         // top-left