diff --git a/include/exec/memory.h b/include/exec/memory.h
index 1614d9a..e000bd2 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -2351,8 +2351,8 @@
 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);