diff --git a/src/Power.cpp b/src/Power.cpp
index 14ef2e951..29c14ee73 100644
--- a/src/Power.cpp
+++ b/src/Power.cpp
@@ -54,7 +54,7 @@ class HasBatteryLevel
     /**
      * The raw voltage of the battery or NAN if unknown
      */
-    virtual uint32_t getBattVoltage() { return 0; }
+    virtual uint16_t getBattVoltage() { return 0; }
 
     /**
      * return true if there is a battery installed in this unit
@@ -123,7 +123,7 @@ class AnalogBatteryLevel : public HasBatteryLevel
     /**
      * The raw voltage of the batteryin millivolts or NAN if unknown
      */
-    virtual uint32_t getBattVoltage() override
+    virtual uint16_t getBattVoltage() override
     {
 
 #ifndef ADC_MULTIPLIER
diff --git a/variants/diy/dr-dev/variant.h b/variants/diy/dr-dev/variant.h
index 113fe5e3f..b9c82a9c8 100644
--- a/variants/diy/dr-dev/variant.h
+++ b/variants/diy/dr-dev/variant.h
@@ -3,7 +3,7 @@
 #define I2C_SDA 4
 #define I2C_SCL 5
 #define BATTERY_PIN 34
-#define ADC1_GPIO34_CHANNEL
+#define ADC_CHANNEL ADC1_GPIO34_CHANNEL
 
 // GPS
 #undef GPS_RX_PIN