diff --git a/src/ads1255.h b/src/ads1255.h
index 3b4cbe088b37f906a953e3e09af12ea496bf8ed8..7588ad168a91052fe042d56f6220bc22e61288da 100644
--- a/src/ads1255.h
+++ b/src/ads1255.h
@@ -60,7 +60,7 @@
 #define ADS_BUFF_ON 0b0010 //0x2
 
 #define ADS_MUX_VOLT 0x08
-#define ADS_MUX_POT 0x18
+#define ADS_MUX_POT 0b10000001
 
 extern uint16_t sample_delay_ms_100div;