diff --git a/src/modules/Telemetry/AirQualityTelemetry.cpp b/src/modules/Telemetry/AirQualityTelemetry.cpp
index e4f31ff9f..4f5fbcd13 100644
--- a/src/modules/Telemetry/AirQualityTelemetry.cpp
+++ b/src/modules/Telemetry/AirQualityTelemetry.cpp
@@ -92,7 +92,7 @@ bool AirQualityTelemetryModule::sendTelemetry(NodeNum dest, bool phoneOnly)
         return false;
     }
 
-    meshtastic_Telemetry m;
+    meshtastic_Telemetry m = meshtastic_Telemetry_init_zero;
     m.time = getTime();
     m.which_variant = meshtastic_Telemetry_air_quality_metrics_tag;
     m.variant.air_quality_metrics.pm10_standard = data.pm10_standard;
diff --git a/src/modules/Telemetry/DeviceTelemetry.cpp b/src/modules/Telemetry/DeviceTelemetry.cpp
index 002ce62a9..b64e8d113 100644
--- a/src/modules/Telemetry/DeviceTelemetry.cpp
+++ b/src/modules/Telemetry/DeviceTelemetry.cpp
@@ -64,7 +64,7 @@ meshtastic_MeshPacket *DeviceTelemetryModule::allocReply()
 
 meshtastic_Telemetry DeviceTelemetryModule::getDeviceTelemetry()
 {
-    meshtastic_Telemetry t;
+    meshtastic_Telemetry t = meshtastic_Telemetry_init_zero;
 
     t.time = getTime();
     t.which_variant = meshtastic_Telemetry_device_metrics_tag;
diff --git a/src/modules/Telemetry/EnvironmentTelemetry.cpp b/src/modules/Telemetry/EnvironmentTelemetry.cpp
index 8972a8e3f..46b8a1ad8 100644
--- a/src/modules/Telemetry/EnvironmentTelemetry.cpp
+++ b/src/modules/Telemetry/EnvironmentTelemetry.cpp
@@ -261,7 +261,7 @@ bool EnvironmentTelemetryModule::handleReceivedProtobuf(const meshtastic_MeshPac
 
 bool EnvironmentTelemetryModule::sendTelemetry(NodeNum dest, bool phoneOnly)
 {
-    meshtastic_Telemetry m;
+    meshtastic_Telemetry m = meshtastic_Telemetry_init_zero;
     bool valid = true;
     bool hasSensor = false;
     m.time = getTime();
@@ -337,7 +337,7 @@ bool EnvironmentTelemetryModule::sendTelemetry(NodeNum dest, bool phoneOnly)
             hasSensor = true;
         } else {
             // prefer bmp280 temp if both sensors are present, fetch only humidity
-            meshtastic_Telemetry m_ahtx;
+            meshtastic_Telemetry m_ahtx = meshtastic_Telemetry_init_zero;
             LOG_INFO("AHTX0+BMP280 module detected: using temp from BMP280 and humy from AHTX0\n");
             aht10Sensor.getMetrics(&m_ahtx);
             m.variant.environment_metrics.relative_humidity = m_ahtx.variant.environment_metrics.relative_humidity;
diff --git a/src/modules/Telemetry/PowerTelemetry.cpp b/src/modules/Telemetry/PowerTelemetry.cpp
index e61a4e629..826de8a4a 100644
--- a/src/modules/Telemetry/PowerTelemetry.cpp
+++ b/src/modules/Telemetry/PowerTelemetry.cpp
@@ -165,7 +165,7 @@ bool PowerTelemetryModule::handleReceivedProtobuf(const meshtastic_MeshPacket &m
 
 bool PowerTelemetryModule::sendTelemetry(NodeNum dest, bool phoneOnly)
 {
-    meshtastic_Telemetry m;
+    meshtastic_Telemetry m = meshtastic_Telemetry_init_zero;
     bool valid = false;
     m.time = getTime();
     m.which_variant = meshtastic_Telemetry_power_metrics_tag;