diff --git a/sys/amd64/linux/linux_sysvec.c b/sys/amd64/linux/linux_sysvec.c
index 2907323d903..98e2a01b98d 100644
--- a/sys/amd64/linux/linux_sysvec.c
+++ b/sys/amd64/linux/linux_sysvec.c
@@ -159,7 +159,7 @@ linux_fetch_syscall_args(struct thread *td)
 
 	if (sa->code >= p->p_sysent->sv_size)
 		/* nosys */
-		sa->callp = &p->p_sysent->sv_table[p->p_sysent->sv_size - 1];
+		sa->callp = &nosys_sysent;
 	else
 		sa->callp = &p->p_sysent->sv_table[sa->code];
 
diff --git a/sys/amd64/linux32/linux32_sysvec.c b/sys/amd64/linux32/linux32_sysvec.c
index 31436ee7162..7104cc50735 100644
--- a/sys/amd64/linux32/linux32_sysvec.c
+++ b/sys/amd64/linux32/linux32_sysvec.c
@@ -531,7 +531,7 @@ linux32_fetch_syscall_args(struct thread *td)
 
 	if (sa->code >= p->p_sysent->sv_size)
 		/* nosys */
-		sa->callp = &p->p_sysent->sv_table[p->p_sysent->sv_size - 1];
+		sa->callp = &nosys_sysent;
 	else
 		sa->callp = &p->p_sysent->sv_table[sa->code];