diff --git a/qemu/include/exec/memory.h b/qemu/include/exec/memory.h
index 459eb51d..3c09aef4 100644
--- a/qemu/include/exec/memory.h
+++ b/qemu/include/exec/memory.h
@@ -1348,8 +1348,8 @@ void *qemu_map_ram_ptr(struct uc_struct *uc, RAMBlock *ram_block,
 static inline bool memory_access_is_direct(MemoryRegion *mr, bool is_write)
 {
     if (is_write) {
-        return memory_region_is_ram(mr) &&
-               !mr->readonly && !memory_region_is_ram_device(mr);
+        return memory_region_is_ram(mr) && !mr->readonly &&
+               !mr->rom_device && !memory_region_is_ram_device(mr);
     } else {
         return (memory_region_is_ram(mr) && !memory_region_is_ram_device(mr)) ||
                memory_region_is_romd(mr);