diff --git a/src/TinyGsmClientSIM5360.h b/src/TinyGsmClientSIM5360.h
index cb6f0f6..c844afb 100644
--- a/src/TinyGsmClientSIM5360.h
+++ b/src/TinyGsmClientSIM5360.h
@@ -463,7 +463,7 @@ class TinyGsmSim5360 : public TinyGsmModem<TinyGsmSim5360>,
   /*
    * Temperature functions
    */
-
+ protected:
   // get temperature in degree celsius
   float getTemperatureImpl() {
     // Enable Temparature Reading
diff --git a/src/TinyGsmClientSIM7600.h b/src/TinyGsmClientSIM7600.h
index cd1e722..7a53222 100644
--- a/src/TinyGsmClientSIM7600.h
+++ b/src/TinyGsmClientSIM7600.h
@@ -554,7 +554,7 @@ class TinyGsmSim7600 : public TinyGsmModem<TinyGsmSim7600>,
   /*
    * Temperature functions
    */
-
+ protected:
   // get temperature in degree celsius
   uint16_t getTemperatureImpl() {
     sendAT(GF("+CPMUTEMP"));
diff --git a/src/TinyGsmClientSaraR4.h b/src/TinyGsmClientSaraR4.h
index 0ed1b5d..7815089 100644
--- a/src/TinyGsmClientSaraR4.h
+++ b/src/TinyGsmClientSaraR4.h
@@ -622,7 +622,7 @@ class TinyGsmSaraR4 : public TinyGsmModem<TinyGsmSaraR4>,
   /*
    * Temperature functions
    */
-
+ protected:
   float getTemperatureImpl() {
     // First make sure the temperature is set to be in celsius
     sendAT(GF("+UTEMP=0"));  // Would use 1 for Fahrenheit
diff --git a/src/TinyGsmClientSequansMonarch.h b/src/TinyGsmClientSequansMonarch.h
index 7f77394..87221e0 100644
--- a/src/TinyGsmClientSequansMonarch.h
+++ b/src/TinyGsmClientSequansMonarch.h
@@ -378,7 +378,7 @@ class TinyGsmSequansMonarch
   /*
    * Temperature functions
    */
-
+ protected:
   float getTemperatureImpl() {
     sendAT(GF("+SMDTH"));
     if (waitResponse(10000L, GF("+SMDTH: ")) != 1) {