diff --git a/firmware/batmon.c b/firmware/batmon.c
index aafc715..c70e9ca 100644
--- a/firmware/batmon.c
+++ b/firmware/batmon.c
@@ -33,15 +33,14 @@ uint8_t batmon_proc()
 
 	if (ADCSRA & (1 << ADIF)) {
 		sum += ADCH;
-		if (!(cnt++)) {
+		if (!(++cnt)) {
 			vbat = sum >> 8;
 			sum = 0;
+			if (vbat < BAT_THRES_POWER_OFF)
+				return 1;
 		}
-		vbat = ADCH;
 		ADCSRA &= ~(1 << ADIF);
 		ADCSRA |= (1 << ADSC); // TODO: I want this to work off TIMER0
-		if (vbat < BAT_THRES_POWER_OFF)
-			return 1;
 	}
 	return 0;
 }