diff --git a/lib/Hoymiles/src/parser/AlarmLogParser.cpp b/lib/Hoymiles/src/parser/AlarmLogParser.cpp
index 4bf004abe..652159002 100644
--- a/lib/Hoymiles/src/parser/AlarmLogParser.cpp
+++ b/lib/Hoymiles/src/parser/AlarmLogParser.cpp
@@ -60,6 +60,7 @@ const std::array<const AlarmMessage_t, ALARM_MSG_COUNT> AlarmLogParser::_alarmMe
     { AlarmMessageType_t::ALL, 149, "Grid: Island detected", "Netz: Inselbetrieb festgestellt", "Réseau: Détection d’îlots" },
 
     { AlarmMessageType_t::ALL, 150, "DCI exceeded", "", "" },
+    { AlarmMessageType_t::ALL, 152, "Grid: Phase angle difference between two phases exceeded 5° >10 times", "", "" },
     { AlarmMessageType_t::HMT, 171, "Grid: Abnormal phase difference between phase to phase", "", "" },
     { AlarmMessageType_t::ALL, 181, "Abnormal insulation impedance", "", "" },
     { AlarmMessageType_t::ALL, 182, "Abnormal grounding", "", "" },
diff --git a/lib/Hoymiles/src/parser/AlarmLogParser.h b/lib/Hoymiles/src/parser/AlarmLogParser.h
index a6f0c10c6..87413ce7a 100644
--- a/lib/Hoymiles/src/parser/AlarmLogParser.h
+++ b/lib/Hoymiles/src/parser/AlarmLogParser.h
@@ -8,7 +8,7 @@
 #define ALARM_LOG_ENTRY_SIZE 12
 #define ALARM_LOG_PAYLOAD_SIZE (ALARM_LOG_ENTRY_COUNT * ALARM_LOG_ENTRY_SIZE + 4)
 
-#define ALARM_MSG_COUNT 130
+#define ALARM_MSG_COUNT 131
 
 struct AlarmLogEntry_t {
     uint16_t MessageId;
@@ -62,4 +62,4 @@ class AlarmLogParser : public Parser {
     AlarmMessageType_t _messageType = AlarmMessageType_t::ALL;
 
     static const std::array<const AlarmMessage_t, ALARM_MSG_COUNT> _alarmMessages;
-};
\ No newline at end of file
+};