diff --git a/kvm-all.c b/kvm-all.c
index f669c3a..207378b 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -611,11 +611,21 @@ int kvm_cpu_exec(CPUState *env)
         switch (run->exit_reason) {
         case KVM_EXIT_IO:
             dprintf("handle_io\n");
+#if defined(TARGET_I386) || defined(TARGET_X86_64)
+            // HACK to make vmport/vmmouse work
+            if (run->io.port == 0x5658)
+                kvm_arch_get_registers(env);
+#endif
             ret = kvm_handle_io(env, run->io.port,
                                 (uint8_t *)run + run->io.data_offset,
                                 run->io.direction,
                                 run->io.size,
                                 run->io.count);
+#if defined(TARGET_I386) || defined(TARGET_X86_64)
+            // HACK to make vmport/vmmouse work
+            if (run->io.port == 0x5658)
+                kvm_arch_put_registers(env);
+#endif
             break;
         case KVM_EXIT_MMIO:
             dprintf("handle_mmio\n");