diff --git a/desktop/kde/plasma/sddm/files/ 10-backlight.rules  b/desktop/kde/plasma/sddm/files/ 10-backlight.rules 
new file mode 100644
index 0000000000..68e50bb2ab
--- /dev/null
+++ b/desktop/kde/plasma/sddm/files/ 10-backlight.rules 	
@@ -0,0 +1,12 @@
+polkit.addRule(function(action, subject) {
+
+        if (action.id.indexOf("org.kde.powerdevil.backlighthelper.") == 0 &&
+
+        subject.isInGroup("users")) {
+
+                return polkit.Result.YES;
+
+        }
+
+}); 
+
diff --git a/desktop/kde/plasma/sddm/pspec.xml b/desktop/kde/plasma/sddm/pspec.xml
index f11e91cbea..22bf2775cd 100644
--- a/desktop/kde/plasma/sddm/pspec.xml
+++ b/desktop/kde/plasma/sddm/pspec.xml
@@ -53,6 +53,10 @@
             <AdditionalFile owner="root" permission="0644" target="/etc/sddm.conf">sddm.conf</AdditionalFile>
             <AdditionalFile owner="root" permission="0644" target="/etc/pam.d/sddm">sddm</AdditionalFile>
             <AdditionalFile owner="root" permission="0644" target="/etc/pam.d/sddm-autologin">sddm-autologin</AdditionalFile>
+            <AdditionalFile owner="root" permission="0644" target="/etc/polkit-1/rules.d/10-backlight.rules">10-backlight.rules</AdditionalFile>
+
+            
+             10-backlight.rules 
         </AdditionalFiles>
         <Provides>
             <COMAR script="service.py">System.Service</COMAR>
@@ -62,7 +66,7 @@
 
     <History>
         <Update release="2">
-            <Date>2016-05-18</Date>
+            <Date>2016-05-31</Date>
             <Version>0.13.0</Version>
             <Comment>Fix session authorization issue</Comment>
             <Name>Yusuf Aydemir</Name>