1 files changed, 4 insertions, 0 deletions

diff --git a/uisimulator/sdl/lcd-sdl.c b/uisimulator/sdl/lcd-sdl.c
index a90efbd204..80a3c96a87 100644
--- a/uisimulator/sdl/lcd-sdl.c
+++ b/uisimulator/sdl/lcd-sdl.c
@@ -73,7 +73,11 @@ void lcd_update_rect(int x_start, int y_start, int width, int height)
 #if LCD_DEPTH == 1
             *p = ((lcd_framebuffer[y/8][x] >> (y & 7)) & 1);
 #elif LCD_DEPTH == 2
+#if LCD_PIXELFORMAT == HORIZONTAL_PACKING
+            *p = ((lcd_framebuffer[y][x/4] >> (2 * (x & 3))) & 3);
+#else
             *p = ((lcd_framebuffer[y/4][x] >> (2 * (y & 3))) & 3);
+#endif
 #elif LCD_DEPTH == 16
 #if LCD_PIXELFORMAT == RGB565SWAPPED
             unsigned bits = lcd_framebuffer[y][x];