diff --git a/kern/arch/mips/syscall/syscall.c b/kern/arch/mips/syscall/syscall.c
index 14ff871..b42d9c0 100644
--- a/kern/arch/mips/syscall/syscall.c
+++ b/kern/arch/mips/syscall/syscall.c
@@ -105,6 +105,11 @@ void syscall(struct trapframe *tf) {
     err = sys___time((userptr_t)tf->tf_a0, (userptr_t)tf->tf_a1);
     break;
 
+  case SYS__exit:
+    err = 0;
+    thread_exit();
+    break;
+
     /* Add stuff here */
 
   default: