diff --git a/hw/display/macfb.c b/hw/display/macfb.c
index 277d3e6633..4bd7c3ad6a 100644
--- a/hw/display/macfb.c
+++ b/hw/display/macfb.c
@@ -661,9 +661,9 @@ static bool macfb_common_realize(DeviceState *dev, MacfbState *s, Error **errp)
 
     memory_region_init_ram(&s->mem_vram, OBJECT(dev), "macfb-vram",
                            MACFB_VRAM_SIZE, &error_abort);
+    memory_region_set_log(&s->mem_vram, true, DIRTY_MEMORY_VGA);
     s->vram = memory_region_get_ram_ptr(&s->mem_vram);
     s->vram_bit_mask = MACFB_VRAM_SIZE - 1;
-    memory_region_set_coalescing(&s->mem_vram);
 
     s->vbl_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, macfb_vbl_timer, s);
     macfb_update_mode(s);