diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c
index dc813a9..611cd60 100644
--- a/kernel/irq/spurious.c
+++ b/kernel/irq/spurious.c
@@ -325,7 +325,7 @@
 	desc->irqs_unhandled = 0;
 }
 
-int noirqdebug __read_mostly;
+bool noirqdebug __read_mostly;
 
 int noirqdebug_setup(char *str)
 {