diff --git a/src/slic3r/GUI/calib_dlg.cpp b/src/slic3r/GUI/calib_dlg.cpp
index d7804e143a..cce24e038b 100644
--- a/src/slic3r/GUI/calib_dlg.cpp
+++ b/src/slic3r/GUI/calib_dlg.cpp
@@ -171,7 +171,7 @@ void PA_Calibration_Dlg::on_extruder_type_changed(wxCommandEvent& event) {
     } else if (m_rbMethod->GetSelection() == 2) {
         // pattern method
         m_tiEndPA->GetTextCtrl()->SetValue(wxString::FromDouble(0.08));
-        m_tiPAStep->GetTextCtrl()->SetValue(wxString::FromDouble(0.015));
+        m_tiPAStep->GetTextCtrl()->SetValue(wxString::FromDouble(0.005));
     } else {
         m_tiEndPA->GetTextCtrl()->SetValue(wxString::FromDouble(0.1));
         m_tiPAStep->GetTextCtrl()->SetValue(wxString::FromDouble(0.002));