diff --git a/src/hyperion-v4l2/hyperion-v4l2.cpp b/src/hyperion-v4l2/hyperion-v4l2.cpp
index b166948b..ecc6ed58 100644
--- a/src/hyperion-v4l2/hyperion-v4l2.cpp
+++ b/src/hyperion-v4l2/hyperion-v4l2.cpp
@@ -231,6 +231,7 @@ int main(int argc, char** argv)
 
 			ScreenshotHandler handler("screenshot.png", signalDetectionOffset);
 			QObject::connect(&grabber, SIGNAL(newFrame(Image<ColorRgb>)), &handler, SLOT(receiveImage(Image<ColorRgb>)));
+            grabber.prepare();
 			grabber.start();
 			QCoreApplication::exec();
 			grabber.stop();