diff --git a/src/ui/RadioCalibration/CurveCalibrator.cc b/src/ui/RadioCalibration/CurveCalibrator.cc
index 92af7d1e53a6ee499822cb41f5c8b2b71bcd812b..e27a7dde0175a1656f568190f5926c23e0178241 100644
--- a/src/ui/RadioCalibration/CurveCalibrator.cc
+++ b/src/ui/RadioCalibration/CurveCalibrator.cc
@@ -82,7 +82,7 @@ void CurveCalibrator::setSetpoint(int setpoint)
     {
         setpoints->replace(setpoint, static_cast<double>(logAverage()));
     }
-
+    curve->setData(*positions, *setpoints);
     plot->replot();
 
     emit setpointChanged(setpoint, static_cast<float>(setpoints->value(setpoint)));