diff --git a/vl.c b/vl.c
index 8ab1665..f8c0d00 100644
--- a/vl.c
+++ b/vl.c
@@ -3231,7 +3231,7 @@
 {
     ram_addr_t addr;
 
-    if (cpu_physical_sync_dirty_bitmap(0, last_ram_offset) != 0) {
+    if (cpu_physical_sync_dirty_bitmap(0, TARGET_PHYS_ADDR_MAX) != 0) {
         qemu_file_set_error(f);
         return 0;
     }