diff --git a/hw/display/framebuffer.c b/hw/display/framebuffer.c
index 4485aa335bbce829db75110463e0fc36a85729c0..9fff1c754f5ac693ea0106ac0234cc43e339c4dd 100644
--- a/hw/display/framebuffer.c
+++ b/hw/display/framebuffer.c
@@ -99,6 +99,10 @@ void framebuffer_update_display(
     src += i * src_width;
     dest += i * dest_row_pitch;
 
+    addr += (uint64_t)i * src_width;
+    src += (uint64_t)i * src_width;
+    dest += (uint64_t)i * dest_row_pitch;
+
     snap = memory_region_snapshot_and_clear_dirty(mem, addr, src_width * rows,
                                                   DIRTY_MEMORY_VGA);
     for (; i < rows; i++) {