diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
index 1bd316cd32c8..316e106e26f0 100644
--- a/arch/x86/kernel/cpu/mshyperv.c
+++ b/arch/x86/kernel/cpu/mshyperv.c
@@ -31,7 +31,7 @@
 struct ms_hyperv_info ms_hyperv;
 EXPORT_SYMBOL_GPL(ms_hyperv);
 
-#ifdef CONFIG_HYPERV
+#if IS_ENABLED(CONFIG_HYPERV)
 static irq_handler_t *vmbus_handler;
 
 void hyperv_vector_handler(struct pt_regs *regs)