diff --git a/tasmota/tasmota_template.h b/tasmota/tasmota_template.h
index 5b600eee4..4e2dddaad 100644
--- a/tasmota/tasmota_template.h
+++ b/tasmota/tasmota_template.h
@@ -159,7 +159,9 @@ enum UserSelectablePins {
   GPIO_TFMINIPLUS_TX, GPIO_TFMINIPLUS_RX,  // TFmini Plus ToF sensor
   GPIO_ZEROCROSS,
 #ifdef ESP32
+#if CONFIG_IDF_TARGET_ESP32
   GPIO_HALLEFFECT,
+#endif  // CONFIG_IDF_TARGET_ESP32
   GPIO_EPD_DATA,                       // Base connection EPD driver
 #endif
   GPIO_SENSOR_END };
diff --git a/tasmota/xsns_87_esp32_sensors.ino b/tasmota/xsns_87_esp32_sensors.ino
index c5fc80d52..612c7feb3 100644
--- a/tasmota/xsns_87_esp32_sensors.ino
+++ b/tasmota/xsns_87_esp32_sensors.ino
@@ -18,6 +18,8 @@
 */
 
 #ifdef ESP32
+// Below test to solve ESP32-C3 compilations (20210420)
+#if CONFIG_IDF_TARGET_ESP32
 /*********************************************************************************************\
  * ESP32 CPU Temperature and optional Hall Effect sensor
  *
@@ -124,4 +126,5 @@ bool Xsns87(uint8_t function) {
   return result;
 }
 
+#endif  // CONFIG_IDF_TARGET_ESP32
 #endif  // ESP32