diff --git a/afsk/main.c b/afsk/main.c
index 30a93fbd..9c3aad50 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -377,7 +377,7 @@ if (vB4)
  while (loop-- != 0)
   {
 
-   float batteryVoltage = read_sensor_data(sensor[BAT]);
+   float batteryVoltage = read_sensor_data(sensor[BAT]).voltage;
    #ifdef DEBUG_LOGGING
       fprintf(stderr,"INFO: Battery voltage: %f V  Battery Threshold %f V\n", batteryVoltage, batteryThreshold);
    #endif