diff --git a/lib/Hoymiles/src/Hoymiles.cpp b/lib/Hoymiles/src/Hoymiles.cpp
index eda3500b5..b14585905 100644
--- a/lib/Hoymiles/src/Hoymiles.cpp
+++ b/lib/Hoymiles/src/Hoymiles.cpp
@@ -114,7 +114,7 @@ void HoymilesClass::loop()
                 }
 
                 // Fetch grid profile
-                if (iv->Statistics()->getLastUpdate() > 0 && iv->GridProfile()->getLastUpdate() == 0) {
+                if (iv->Statistics()->getLastUpdate() > 0 && (iv->GridProfile()->getLastUpdate() == 0 || !iv->GridProfile()->containsValidData())) {
                     iv->sendGridOnProFileParaRequest();
                 }
 
diff --git a/lib/Hoymiles/src/parser/GridProfileParser.cpp b/lib/Hoymiles/src/parser/GridProfileParser.cpp
index 37cb1d4ac..a7b912a9e 100644
--- a/lib/Hoymiles/src/parser/GridProfileParser.cpp
+++ b/lib/Hoymiles/src/parser/GridProfileParser.cpp
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * Copyright (C) 2023 Thomas Basler and others
+ * Copyright (C) 2023 - 2024 Thomas Basler and others
  */
 #include "GridProfileParser.h"
 #include "../Hoymiles.h"
@@ -446,6 +446,11 @@ std::list<GridProfileSection_t> GridProfileParser::getProfile() const
     return l;
 }
 
+bool GridProfileParser::containsValidData() const
+{
+    return _gridProfileLength > 6;
+}
+
 uint8_t GridProfileParser::getSectionSize(const uint8_t section_id, const uint8_t section_version)
 {
     uint8_t count = 0;
diff --git a/lib/Hoymiles/src/parser/GridProfileParser.h b/lib/Hoymiles/src/parser/GridProfileParser.h
index 1be12e1d3..7afdfb825 100644
--- a/lib/Hoymiles/src/parser/GridProfileParser.h
+++ b/lib/Hoymiles/src/parser/GridProfileParser.h
@@ -43,6 +43,8 @@ class GridProfileParser : public Parser {
 
     std::list<GridProfileSection_t> getProfile() const;
 
+    bool containsValidData() const;
+
 private:
     static uint8_t getSectionSize(const uint8_t section_id, const uint8_t section_version);
     static int16_t getSectionStart(const uint8_t section_id, const uint8_t section_version);
@@ -52,4 +54,4 @@ class GridProfileParser : public Parser {
 
     static const std::array<const ProfileType_t, PROFILE_TYPE_COUNT> _profileTypes;
     static const std::array<const GridProfileValue_t, SECTION_VALUE_COUNT> _profileValues;
-};
\ No newline at end of file
+};