diff --git a/sys/alpha/alpha/machdep.c b/sys/alpha/alpha/machdep.c
index 39f5b3473e3b..f048bbbc483d 100644
--- a/sys/alpha/alpha/machdep.c
+++ b/sys/alpha/alpha/machdep.c
@@ -378,7 +378,7 @@ cpu_startup(dummy)
 	 */
 	SLIST_INIT(&callfree);
 	for (i = 0; i < ncallout; i++) {
-		callout_init(&callout[i]);
+		callout_init(&callout[i], 0);
 		callout[i].c_flags = CALLOUT_LOCAL_ALLOC;
 		SLIST_INSERT_HEAD(&callfree, &callout[i], c_links.sle);
 	}
diff --git a/sys/ia64/ia64/machdep.c b/sys/ia64/ia64/machdep.c
index 0cc6f2833c8b..bed49d53010f 100644
--- a/sys/ia64/ia64/machdep.c
+++ b/sys/ia64/ia64/machdep.c
@@ -310,7 +310,7 @@ cpu_startup(dummy)
 	 */
 	SLIST_INIT(&callfree);
 	for (i = 0; i < ncallout; i++) {
-		callout_init(&callout[i]);
+		callout_init(&callout[i], 0);
 		callout[i].c_flags = CALLOUT_LOCAL_ALLOC;
 		SLIST_INSERT_HEAD(&callfree, &callout[i], c_links.sle);
 	}