diff --git a/system/physmem.c b/system/physmem.c
index e3ebc19eef..3b08e064ff 100644
--- a/system/physmem.c
+++ b/system/physmem.c
@@ -3511,7 +3511,7 @@ int ram_block_discard_range(RAMBlock *rb, uint64_t start, size_t length)
          *    fallocate works on hugepages and shmem
          *    shared anonymous memory requires madvise REMOVE
          */
-        need_madvise = (rb->page_size == qemu_host_page_size);
+        need_madvise = (rb->page_size == qemu_real_host_page_size());
         need_fallocate = rb->fd != -1;
         if (need_fallocate) {
             /* For a file, this causes the area of the file to be zero'd