diff --git a/rw-system.sh b/rw-system.sh
index 2d8933e..f732039 100644
--- a/rw-system.sh
+++ b/rw-system.sh
@@ -164,7 +164,7 @@ if getprop ro.vendor.build.fingerprint | grep -q -i \
 fi
 
 if getprop ro.vendor.product.device |grep -iq -e RMX1801 -e RMX1803 -e RMX1807;then	
-    setprop persist.sys.qcom-brightness $(cat /sys/class/leds/lcd-backlight/max_brightness)
+    setprop persist.sys.qcom-brightness "$(cat /sys/class/leds/lcd-backlight/max_brightness)"
 fi
 
 if getprop ro.vendor.build.fingerprint | grep -iq \