diff --git a/pytec/tec_qt.py b/pytec/tec_qt.py
index acd93e3..91299a4 100644
--- a/pytec/tec_qt.py
+++ b/pytec/tec_qt.py
@@ -792,7 +792,7 @@ class MainWindow(QtWidgets.QMainWindow, Ui_MainWindow):
                 self.params[channel].child("PID Config", "Ki").setValue(settings["parameters"]["ki"])
                 self.params[channel].child("PID Config", "Kd").setValue(settings["parameters"]["kd"])
                 self.params[channel].child("Output Config", "Control Method", "Set Temperature").setValue(settings["target"])
-                self.channel_graphs[channel].t_line.setValue(settings["target"])
+                self.channel_graphs[channel].t_line.setValue(round(settings["target"], 6))
 
     @pyqtSlot(list)
     def update_report(self, report_data):