diff --git a/lib/Kconfig b/lib/Kconfig
index cd177ca..cb9758e 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -14,7 +14,7 @@
 	tristate
 
 config HAVE_ARCH_BITREVERSE
-	boolean
+	bool
 	default n
 	depends on BITREVERSE
 	help