diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 9ad825e1c79b3448e8b7787b2b98b251300abfe1..169d07758ee53046c7f6740f3466aa78921e1342 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -54,7 +54,7 @@ extern struct kmem_cache *kvm_vcpu_cache;
  */
 struct kvm_io_bus {
 	int                   dev_count;
-#define NR_IOBUS_DEVS 6
+#define NR_IOBUS_DEVS 200
 	struct kvm_io_device *devs[NR_IOBUS_DEVS];
 };