diff --git a/qemu/memory.c b/qemu/memory.c
index 26683230..af38155f 100644
--- a/qemu/memory.c
+++ b/qemu/memory.c
@@ -85,7 +85,7 @@ void memory_unmap(struct uc_struct *uc, MemoryRegion *mr)
         if (uc->mapped_blocks[i] == mr) {
             uc->mapped_block_count--;
             //shift remainder of array down over deleted pointer
-            memcpy(&uc->mapped_blocks[i], &uc->mapped_blocks[i + 1], sizeof(MemoryRegion*) * (uc->mapped_block_count - i));
+            memmove(&uc->mapped_blocks[i], &uc->mapped_blocks[i + 1], sizeof(MemoryRegion*) * (uc->mapped_block_count - i));
             mr->destructor(mr);
             g_free((char *)mr->name);
             g_free(mr->ioeventfds);