diff --git a/migration/ram.c b/migration/ram.c
index 1b08296d1b..e18b3e2d4f 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -188,9 +188,9 @@ struct RAMState {
     uint64_t iterations_prev;
     /* Iterations since start */
     uint64_t iterations;
-    /* protects modification of the bitmap */
-    uint64_t migration_dirty_pages;
     /* number of dirty bits in the bitmap */
+    uint64_t migration_dirty_pages;
+    /* protects modification of the bitmap */
     QemuMutex bitmap_mutex;
     /* The RAMBlock used in the last src_page_requests */
     RAMBlock *last_req_rb;