diff --git a/tasmota/xdrv_10_scripter.ino b/tasmota/xdrv_10_scripter.ino
index 8f5181914..a3cba3385 100755
--- a/tasmota/xdrv_10_scripter.ino
+++ b/tasmota/xdrv_10_scripter.ino
@@ -1796,7 +1796,7 @@ chknext:
 #else
           // ESP8266
 #ifndef USE_ADC_VCC
-          fvar = AdcRead(fvar);
+          fvar = AdcRead(17, fvar);
 #else
           fvar = (float)ESP.getVcc() / 1000.0;
 #endif // USE_ADC_VCC
diff --git a/tasmota/xsns_02_analog.ino b/tasmota/xsns_02_analog.ino
index 1077026de..8feca385e 100644
--- a/tasmota/xsns_02_analog.ino
+++ b/tasmota/xsns_02_analog.ino
@@ -19,7 +19,7 @@
 
 #ifdef USE_ADC
 /*********************************************************************************************\
- * ADC support for up to 8 channels on GPIO32 to GPIO39
+ * ADC support for ESP8266 GPIO17 (=PIN_A0) and ESP32 up to 8 channels on GPIO32 to GPIO39
 \*********************************************************************************************/
 
 #define XSNS_02                       2