diff --git a/powerwall.sh b/powerwall.sh
index c04498cd..d78e43b2 100755
--- a/powerwall.sh
+++ b/powerwall.sh
@@ -539,7 +539,7 @@ CHECKPOWER(){
 			-avg) avgdays=${2};;
 			-type) PTYPE=${2};;
 		esac
-		shift 2
+		shift 1
 	done
 	[ "${avgdays}" = "0" ] && unset avgdays
 	[ "${avgdays}" != "" ] && avgdayshdr="${avgdays}-Day-Avg" || avgdayshdr=""