From d792a7dad54039074890d9d379eec8676cb9fa5a Mon Sep 17 00:00:00 2001
From: Benoit Giannangeli <benoit.giannangeli@boursorama.fr>
Date: Mon, 6 Mar 2017 07:34:00 +0100
Subject: string.char

---
 src/ldo.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/ldo.js')

diff --git a/src/ldo.js b/src/ldo.js
index 1d5c81b..e9bc9eb 100644
--- a/src/ldo.js
+++ b/src/ldo.js
@@ -521,7 +521,7 @@ class SParser {
 }
 
 const checkmode = function(L, mode, x) {
-    if (mode && mode.indexOf(x.charAt(0))) {
+    if (mode && mode.indexOf(x.charAt(0)) !== -1) {
         lapi.lua_pushstring(L, `attempt to load a ${x} chunk (mode is '${mode}')`);
         luaD_throw(L, TS.LUA_ERRSYNTAX);
     }
-- 
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