1 files changed, 3 insertions, 1 deletions
diff --git a/filter-kalman/ftnoir_filter_kalman.h b/filter-kalman/ftnoir_filter_kalman.h
index 096cc3f9..a468bd5d 100644
--- a/filter-kalman/ftnoir_filter_kalman.h
+++ b/filter-kalman/ftnoir_filter_kalman.h
@@ -18,6 +18,7 @@
 #include <QWidget>
 #include "opentrack-compat/options.hpp"
 using namespace options;
+#include "opentrack-compat/timer.hpp"
 
 struct settings : opts {
     value<int> noise_stddev_slider;
@@ -39,7 +40,8 @@ public:
     static constexpr double accel_stddev = (accel*4/(dt_*dt_))/3.0;
     cv::KalmanFilter kalman;
     double last_input[6];
-    QElapsedTimer timer;
+    Timer timer;
+    bool first_run;
     settings s;
     int prev_slider_pos;
 };