diff --git a/arch/x86/kvm/Makefile b/arch/x86/kvm/Makefile
index b19ef421084dff20ba0ce8b61c98c0c8878ef41b..4654e97a05ccbe78e97b90b28ccd968419dcefb6 100644
--- a/arch/x86/kvm/Makefile
+++ b/arch/x86/kvm/Makefile
@@ -1,6 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 
 ccflags-y += -Iarch/x86/kvm
+ccflags-y += -Werror
 
 KVM := ../../../virt/kvm