diff --git a/qemu/softmmu/memory.c b/qemu/softmmu/memory.c
index 96635a48..ccc93a49 100644
--- a/qemu/softmmu/memory.c
+++ b/qemu/softmmu/memory.c
@@ -82,6 +82,7 @@ typedef struct _mmio_cbs {
     void *user_data_read;
     uc_cb_mmio_write_t write;
     void *user_data_write;
+    MemoryRegionOps ops;
 } mmio_cbs;
 
 static uint64_t mmio_read_wrapper(struct uc_struct *uc, void *opaque, hwaddr addr, unsigned size)
@@ -118,8 +119,8 @@ MemoryRegion *memory_map_io(struct uc_struct *uc, ram_addr_t begin, size_t size,
                             void *user_data_read, void *user_data_write)
 {
     MemoryRegion *mmio = g_new(MemoryRegion, 1);
-    MemoryRegionOps *ops = g_new(MemoryRegionOps, 1);
     mmio_cbs* opaques = g_new(mmio_cbs, 1);
+    MemoryRegionOps *ops = &opaques->ops;
     opaques->read = read_cb;
     opaques->write = write_cb;
     opaques->user_data_read = user_data_read;