diff --git a/system/.config/polybar/launch b/system/.config/polybar/launch
index e5afca7..c86d331 100755
--- a/system/.config/polybar/launch
+++ b/system/.config/polybar/launch
@@ -19,9 +19,9 @@ killall -q polybar
 while pgrep -x polybar >/dev/null; do sleep 1; done
 
 if [ "${IS_WORK}" = "1" ]; then
-    POLYBAR_BATTERY="BAT1"
+    export POLYBAR_BATTERY="BAT1"
 else
-    POLYBAR_BATTERY="BAT0"
+    export POLYBAR_BATTERY="BAT0"
 fi
 
 # Launch bar1 and bar2