diff --git a/src/slic3r/GUI/CalibrationWizardCaliPage.cpp b/src/slic3r/GUI/CalibrationWizardCaliPage.cpp
index 88b3e1c7c..51d0827f5 100644
--- a/src/slic3r/GUI/CalibrationWizardCaliPage.cpp
+++ b/src/slic3r/GUI/CalibrationWizardCaliPage.cpp
@@ -405,7 +405,7 @@ void CalibrationCaliPage::reset_printing_values()
 
 void CalibrationCaliPage::on_device_connected(MachineObject* obj)
 {
-    ;
+    reset_printing_values();
 }
 
 void CalibrationCaliPage::set_cali_method(CalibrationMethod method)