diff --git a/src/slic3r/GUI/WipeTowerDialog.cpp b/src/slic3r/GUI/WipeTowerDialog.cpp
index 59e27d493a..ce2fd92e39 100644
--- a/src/slic3r/GUI/WipeTowerDialog.cpp
+++ b/src/slic3r/GUI/WipeTowerDialog.cpp
@@ -498,11 +498,11 @@ WipingPanel::WipingPanel(wxWindow* parent, const std::vector<float>& matrix, con
                 edit_boxes[i][j]->Bind(wxEVT_TEXT, [this, i, j](wxCommandEvent& e) {
                     wxString str = edit_boxes[i][j]->GetValue();
                     int value = wxAtoi(str);
-                     if (value > MAX_FLUSH_VALUE) {
-                         str = wxString::Format(("%d"), MAX_FLUSH_VALUE);
-                         edit_boxes[i][j]->SetValue(str);
-                     }
-                     else if (value < 0) {
+                    if (value > MAX_FLUSH_VALUE) {
+                        str = wxString::Format(("%d"), MAX_FLUSH_VALUE);
+                        edit_boxes[i][j]->SetValue(str);
+                    }
+                    else if (value < 0) {
                         edit_boxes[i][j]->SetValue(wxString("0"));
                     }
                     });