From 2a0c884b2af3a1e7582d775cd660e40d896337e6 Mon Sep 17 00:00:00 2001
From: Bertrand Songis <bsongis@gmail.com>
Date: Thu, 21 Feb 2019 18:23:18 +0100
Subject: [PATCH] Revert

---
 radio/src/strhelpers.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/radio/src/strhelpers.cpp b/radio/src/strhelpers.cpp
index e0e047376..7ddb1ce8b 100644
--- a/radio/src/strhelpers.cpp
+++ b/radio/src/strhelpers.cpp
@@ -52,7 +52,7 @@ int8_t char2zchar(char c)
 #endif
   if (c >= 'a') return 'a' - c - 1;
   if (c >= 'A') return c - 'A' + 1;
-  if (c >= '0') return c - '0' + 27;
+  if (c >= '0') return -(c - '0' + 27);
   if (c == '-') return 38;
   if (c == '.') return 39;
   if (c == ',') return 40;