diff --git a/defaults.inc b/defaults.inc
index 747e99a0..96a774a9 100755
--- a/defaults.inc
+++ b/defaults.inc
@@ -8,7 +8,7 @@ mysql_conn='/usr/bin/mysql -h mysqldb.scity.us -P 6033 --user=sysmoninsert --pas
 
 min_acvolt=124
 min_battvolt=52
-min_battvolt_sys=50
+min_battvolt_sys=51
 #47