diff --git a/mote/v2/avr/main.c b/mote/v2/avr/main.c
index 43a7b08..fb91bb4 100644
--- a/mote/v2/avr/main.c
+++ b/mote/v2/avr/main.c
@@ -388,7 +388,7 @@ int main(void)
 			spi_status &= ~SPI_NEW_CTRL_MSG;
 		}
 
-		for (i = 0; i < 3; i++) {
+		for (i = 0; i < MAX_SENSORS; i++) {
 			if (state[i].flags & STATE_POWER_CALC) {
 				calculate_power(&state[i]);
 				state[i].flags &= ~STATE_POWER_CALC;