diff --git a/src/slic3r/GUI/BaseTransparentDPIFrame.cpp b/src/slic3r/GUI/BaseTransparentDPIFrame.cpp
index 162a3d2d67..fa2b8cab91 100644
--- a/src/slic3r/GUI/BaseTransparentDPIFrame.cpp
+++ b/src/slic3r/GUI/BaseTransparentDPIFrame.cpp
@@ -156,9 +156,11 @@ void BaseTransparentDPIFrame::on_hide()
         m_refresh_timer->Stop();
     }
     Hide();
-    if (wxGetApp().mainframe != nullptr) {
-        wxGetApp().mainframe->Show();
-        wxGetApp().mainframe->Raise();
+    auto *mainframe = wxGetApp().mainframe;
+    if (mainframe != nullptr) {
+        if (!mainframe->IsShown())
+            mainframe->Show();
+        mainframe->Raise();
     }
 }
 
@@ -296,4 +298,4 @@ void BaseTransparentDPIFrame::deal_ok() {}
 
 void BaseTransparentDPIFrame::deal_cancel(){}
 
-}} // namespace Slic3r::GUI
\ No newline at end of file
+}} // namespace Slic3r::GUI