diff --git a/sys/kern/kern_syscalls.c b/sys/kern/kern_syscalls.c
index b9dbf45015a4..035e169bbe0e 100644
--- a/sys/kern/kern_syscalls.c
+++ b/sys/kern/kern_syscalls.c
@@ -148,7 +148,7 @@ kern_syscall_deregister(struct sysent *sysents, int offset,
 	if ((se->sy_thrcnt & SY_THR_STATIC) != 0)
 		return (EINVAL);
 	syscall_thread_drain(se);
-	sysent[offset] = *old_sysent;
+	sysents[offset] = *old_sysent;
 	return (0);
 }