diff --git a/lib/Hoymiles/src/parser/StatisticsParser.cpp b/lib/Hoymiles/src/parser/StatisticsParser.cpp
index df6e585e..831c1ad1 100644
--- a/lib/Hoymiles/src/parser/StatisticsParser.cpp
+++ b/lib/Hoymiles/src/parser/StatisticsParser.cpp
@@ -82,8 +82,6 @@ void StatisticsParser::clearBuffer()
 {
     memset(_payloadStatistic, 0, STATISTIC_PACKET_SIZE);
     _statisticLength = 0;
-
-    memset(_lastYieldDay, 0, sizeof(_lastYieldDay));
 }
 
 void StatisticsParser::appendFragment(const uint8_t offset, const uint8_t* payload, const uint8_t len)
@@ -111,8 +109,7 @@ void StatisticsParser::endAppendFragment()
             // currently all values are zero --> Add last known values to offset
             Hoymiles.getMessageOutput()->printf("Yield Day reset detected!\r\n");
 
-            setChannelFieldOffset(TYPE_DC, c, FLD_YD,
-                getChannelFieldOffset(TYPE_DC, c, FLD_YD) + _lastYieldDay[static_cast<uint8_t>(c)]);
+            setChannelFieldOffset(TYPE_DC, c, FLD_YD, _lastYieldDay[static_cast<uint8_t>(c)]);
 
             _lastYieldDay[static_cast<uint8_t>(c)] = 0;
         } else {
diff --git a/lib/Hoymiles/src/parser/StatisticsParser.h b/lib/Hoymiles/src/parser/StatisticsParser.h
index 2893cbd8..10f06e04 100644
--- a/lib/Hoymiles/src/parser/StatisticsParser.h
+++ b/lib/Hoymiles/src/parser/StatisticsParser.h
@@ -168,5 +168,5 @@ private:
     uint32_t _lastUpdateFromInternal = 0;
 
     bool _enableYieldDayCorrection = false;
-    float _lastYieldDay[CH_CNT];
+    float _lastYieldDay[CH_CNT] = {};
 };
\ No newline at end of file