From 8548ffe6b5c062490f4aa8c3457923542c8498d1 Mon Sep 17 00:00:00 2001
From: Michal Malik <root@devrandom.sk>
Date: Wed, 23 Dec 2015 00:19:34 +0100
Subject: [PATCH] fix #337

https://github.com/unicorn-engine/unicorn/issues/337
---
 hook.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/hook.c b/hook.c
index d755f45c..6e575d83 100644
--- a/hook.c
+++ b/hook.c
@@ -143,6 +143,10 @@ uc_err hook_del(struct uc_struct *uc, uc_hook hh)
     if (hh == uc->hook_in_idx) {
         uc->hook_in_idx = 0;
     }
+    
+    if(hh == uc->hook_syscall_idx) {
+        uc->hook_syscall_idx = 0;
+    }
 
     uc->hook_callbacks[hh].callback = NULL;
     uc->hook_callbacks[hh].user_data = NULL;