From d099bc4ff8606aa4c9faa70c713a3edc9fdec1da Mon Sep 17 00:00:00 2001
From: Thomas Basler <thomas@familie-basler.net>
Date: Thu, 30 Mar 2023 22:11:20 +0200
Subject: [PATCH] Fix #753: Only apply offset if data is in the buffer to
 prevent negative numbers

---
 lib/Hoymiles/src/parser/StatisticsParser.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Hoymiles/src/parser/StatisticsParser.cpp b/lib/Hoymiles/src/parser/StatisticsParser.cpp
index 0af50ed..03ea86a 100644
--- a/lib/Hoymiles/src/parser/StatisticsParser.cpp
+++ b/lib/Hoymiles/src/parser/StatisticsParser.cpp
@@ -100,7 +100,7 @@ float StatisticsParser::getChannelFieldValue(ChannelType_t type, ChannelNum_t ch
         }
 
         result /= static_cast<float>(div);
-        if (setting != NULL) {
+        if (setting != NULL && _statisticLength > 0) {
             result += setting->offset;
         }
         return result;