diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 0a2a190..55723af 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -252,10 +252,10 @@
  * Print a one-time message (analogous to WARN_ONCE() et al):
  */
 #define printk_once(x...) ({			\
-	static int __print_once = 1;		\
+	static bool __print_once = true;	\
 						\
 	if (__print_once) {			\
-		__print_once = 0;		\
+		__print_once = false;		\
 		printk(x);			\
 	}					\
 })