diff --git a/internal_filesystem/boot_unix.py b/internal_filesystem/boot_unix.py
index 4a3ca579..4d3b1e8a 100644
--- a/internal_filesystem/boot_unix.py
+++ b/internal_filesystem/boot_unix.py
@@ -8,9 +8,9 @@ TFT_VER_RES=240
 
 bus = lcd_bus.SDLBus(flags=0)
 
-buf1 = bus.allocate_framebuffer(TFT_HOR_RES * TFT_VER_RES * 3, 0)
+buf1 = bus.allocate_framebuffer(TFT_HOR_RES * TFT_VER_RES * 2, 0)
 
-display = sdl_display.SDLDisplay(data_bus=bus,display_width=TFT_HOR_RES,display_height=TFT_VER_RES,frame_buffer1=buf1,color_space=lv.COLOR_FORMAT.RGB888)
+display = sdl_display.SDLDisplay(data_bus=bus,display_width=TFT_HOR_RES,display_height=TFT_VER_RES,frame_buffer1=buf1,color_space=lv.COLOR_FORMAT.RGB565)
 display.init()
 
 mouse = sdl_pointer.SDLPointer()