diff --git a/src/modules/Telemetry/Sensor/T1000xSensor.cpp b/src/modules/Telemetry/Sensor/T1000xSensor.cpp
index 4079d8ae3..4772aeb9e 100644
--- a/src/modules/Telemetry/Sensor/T1000xSensor.cpp
+++ b/src/modules/Telemetry/Sensor/T1000xSensor.cpp
@@ -95,7 +95,7 @@ float T1000xSensor::getTemp()
 
     Vout = ntc_vot;
     Rt = (HEATER_NTC_RP * vcc_vot) / Vout - HEATER_NTC_RP;
-    for (u8i = 0; u8i < 136; u8i++) {
+    for (u8i = 0; u8i < 135; u8i++) {
         if (Rt >= ntc_res2[u8i]) {
             break;
         }