needed for the struct timeval
diff --git a/src/plugins/multimedia/ffmpeg/qv4l2camera_p.h b/src/plugins/multimedia/ffmpeg/qv4l2camera_p.h
index 714b4c1..ba5e624 100644
--- a/src/plugins/multimedia/ffmpeg/qv4l2camera_p.h
+++ b/src/plugins/multimedia/ffmpeg/qv4l2camera_p.h
@@ -23,6 +23,8 @@
 #include <qsocketnotifier.h>
 #include <qmutex.h>
 
+#include <sys/select.h>
+
 QT_BEGIN_NAMESPACE
 
 class QV4L2CameraDevices : public QObject,