diff --git a/src/vmm/src/persist.rs b/src/vmm/src/persist.rs
index ef2769d0e0e..9558efba589 100644
--- a/src/vmm/src/persist.rs
+++ b/src/vmm/src/persist.rs
@@ -249,7 +249,13 @@ fn snapshot_memory_to_file(
                 .dump_dirty(&mut file, &dirty_bitmap)
                 .map_err(Memory)
         }
-        SnapshotType::Full => vmm.guest_memory().dump(&mut file).map_err(Memory),
+        SnapshotType::Full => {
+            let dirty_bitmap = vmm.get_dirty_bitmap().map_err(DirtyBitmap)?;
+            vmm.guest_memory()
+                .dump_dirty(&mut file, &dirty_bitmap)
+                .map_err(Memory)
+        }
+
     }?;
     file.flush()
         .map_err(|err| MemoryBackingFile("flush", err))?;