Index: sources/device/DeviceController.cpp
===================================================================
diff -u -rcb0e2dc027adf7e0fbe803b82bb9945b82c556a5 -r6ccee3fdf50b4717096745fb5b3f5ecc91b9cd1b
--- sources/device/DeviceController.cpp	(.../DeviceController.cpp)	(revision cb0e2dc027adf7e0fbe803b82bb9945b82c556a5)
+++ sources/device/DeviceController.cpp	(.../DeviceController.cpp)	(revision 6ccee3fdf50b4717096745fb5b3f5ecc91b9cd1b)
@@ -556,7 +556,12 @@
     }
 
     // ----- run the process
-    _processBrightness.start(script, QStringList() << QString::number(_deviceBrightnessRequest._data.mBrightness_val));
+    int timeout_ms = 1000;
+    QStringList params;
+    params << QString::number(_deviceBrightnessRequest._data.mBrightness_val);
+    TimedProcess *timedProcess = new TimedProcess(&_processBrightness, script, timeout_ms, params);
+    timedProcess->start();
+
 }
 
 /*!