From 1e2074f5d6ed6af0992a53cceae23eed20ea5ed5 Mon Sep 17 00:00:00 2001
From: Escartem <escartem.yt@gmail.com>
Date: Tue, 26 May 2026 13:08:15 -0400
Subject: [PATCH] little fix

---
 mapper.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mapper.py b/mapper.py
index f8524fd..8e5ff81 100644
--- a/mapper.py
+++ b/mapper.py
@@ -200,6 +200,8 @@ class Mapper:
 
 			return name
 		elif self.mode in ["JSON", "TSV"]:
+			if not key in self.keys:
+				return None
 			return [self.keys[key]]
 
 	def reset(self):