diff --git a/NookManager/menu/mainmenu b/NookManager/menu/mainmenu
index 1817b9f..c5780f9 100644
--- a/NookManager/menu/mainmenu
+++ b/NookManager/menu/mainmenu
@@ -13,7 +13,7 @@ while [ "$key" -ne "3" ]; do
   POWER=`cat  /sys/class/power_supply/bq27510-0/capacity`
   CHARGING=`cat /sys/class/power_supply/bq27510-0/status`
 
-  POWERMSG="$POWER%"
+  POWERMSG="$POWER%%"
   [ "" != "$CHARGING" ] && POWERMSG="$POWER%% ($CHARGING)"
   header="System: $SYSTEM\nBattery Level: $POWERMSG"