diff --git a/include/MqttHandleDtu.h b/include/MqttHandleDtu.h
index 7a658924..fb566345 100644
--- a/include/MqttHandleDtu.h
+++ b/include/MqttHandleDtu.h
@@ -9,7 +9,7 @@ public:
     void loop();
 
 private:
-    uint32_t _lastPublish;
+    uint32_t _lastPublish = 0;
 };
 
 extern MqttHandleDtuClass MqttHandleDtu;
\ No newline at end of file
diff --git a/include/MqttHandleInverter.h b/include/MqttHandleInverter.h
index 6f089cdf..0194bacf 100644
--- a/include/MqttHandleInverter.h
+++ b/include/MqttHandleInverter.h
@@ -17,8 +17,8 @@ private:
     void publishField(std::shared_ptr<InverterAbstract> inv, ChannelType_t type, ChannelNum_t channel, FieldId_t fieldId);
     void onMqttMessage(const espMqttClientTypes::MessageProperties& properties, const char* topic, const uint8_t* payload, size_t len, size_t index, size_t total);
 
-    uint32_t _lastPublishStats[INV_MAX_COUNT];
-    uint32_t _lastPublish;
+    uint32_t _lastPublishStats[INV_MAX_COUNT] = { 0 };
+    uint32_t _lastPublish = 0;
 
     FieldId_t _publishFields[14] = {
         FLD_UDC,