diff --git a/system/physmem.c b/system/physmem.c
index e862f99ff651066dc45f080373c0fbaac7fd44e6..9ccf195f6e12c47522ad4139f1107a72aaa6eb44 100644
--- a/system/physmem.c
+++ b/system/physmem.c
@@ -797,8 +797,8 @@ void cpu_address_space_destroy(CPUState *cpu, int asidx)
         memory_listener_unregister(&cpuas->tcg_as_listener);
     }
 
+    cpuas->as->free_in_rcu = true;
     address_space_destroy(cpuas->as);
-    g_free_rcu(cpuas->as, rcu);
 
     if (asidx == 0) {
         /* reset the convenience alias for address space 0 */