diff --git a/sys/libkern/ashldi3.c b/sys/libkern/ashldi3.c
index 583a1b72cb8..8e8462a60e6 100644
--- a/sys/libkern/ashldi3.c
+++ b/sys/libkern/ashldi3.c
@@ -43,9 +43,7 @@ __FBSDID("$FreeBSD$");
  * This is the same as logical shift left!
  */
 quad_t
-__ashldi3(a, shift)
-	quad_t a;
-	qshift_t shift;
+__ashldi3(quad_t a, qshift_t shift)
 {
 	union uu aa;