diff --git a/src/mahomaps/DeviceControlInvoker.java b/src/mahomaps/DeviceControlInvoker.java
index a5912c4..fa6cf15 100644
--- a/src/mahomaps/DeviceControlInvoker.java
+++ b/src/mahomaps/DeviceControlInvoker.java
@@ -4,21 +4,30 @@
 
 public class DeviceControlInvoker {
 	
-	public static boolean supported;
+	public static boolean screenSaverPreventionSupported;
+	public static boolean setLightsSupported;
 	
 	static {
 		try {
+			Class.forName("com.nokia.mid.ui.DeviceControl");
+			setLightsSupported = true;
 			if (System.getProperty("com.nokia.mid.ui.version") != null &&
 					System.getProperty("com.nokia.mid.ui.screensaverprevention") != null) {
-				Class.forName("com.nokia.mid.ui.DeviceControl");
-				supported = true;
+				screenSaverPreventionSupported = true;
 			}
 		} catch (Exception e) {
 		}
 	}
 	
 	public static void resetUserInactivityTime() {
-		if (!supported) return;
+		if (!screenSaverPreventionSupported) {
+			if(!setLightsSupported) return;
+			try {
+				DeviceControl.setLights(0, 100);
+			} catch (Throwable e) {
+			}
+			return;
+		}
 		try {
 			DeviceControl.resetUserInactivityTime();
 		} catch (Throwable e) {