diff --git a/sys/kern/kern_ktr.c b/sys/kern/kern_ktr.c
index 596a724ff4a5..9896ed8e55f3 100644
--- a/sys/kern/kern_ktr.c
+++ b/sys/kern/kern_ktr.c
@@ -251,7 +251,7 @@ db_mach_vtrace(void)
 	db_printf("%s", kp->ktr_desc);
 #else
 	db_printf(kp->ktr_desc, kp->ktr_parm1, kp->ktr_parm2, kp->ktr_parm3,
-	    kp->ktr_parm4, kp->ktr_parm5);
+	    kp->ktr_parm4, kp->ktr_parm5, kp->ktr_parm6);
 #endif
 	db_printf("\n");