diff --git a/sys/i386/isa/atpic.c b/sys/i386/isa/atpic.c
index 87b91d8cba05..6344539e0a7d 100644
--- a/sys/i386/isa/atpic.c
+++ b/sys/i386/isa/atpic.c
@@ -349,7 +349,7 @@ atpic_handle_intr(struct intrframe iframe)
 {
 	struct intsrc *isrc;
 
-	KASSERT((uint)iframe.if_vec < ICU_LEN,
+	KASSERT((u_int)iframe.if_vec < ICU_LEN,
 	    ("unknown int %d\n", iframe.if_vec));
 	isrc = &atintrs[iframe.if_vec].at_intsrc;