diff --git a/src/slic3r/GUI/MainFrame.cpp b/src/slic3r/GUI/MainFrame.cpp
index ce8675136..e0a444f23 100644
--- a/src/slic3r/GUI/MainFrame.cpp
+++ b/src/slic3r/GUI/MainFrame.cpp
@@ -177,11 +177,11 @@ DPIFrame(NULL, wxID_ANY, "", wxDefaultPosition, wxDefaultSize, BORDERLESS_FRAME_
     set_miniaturizable(GetHandle());
 #endif
 
-    //reset developer_mode to false  and user_mode to comAdvanced
-    wxGetApp().app_config->set_bool("developer_mode", false);
-    if (wxGetApp().app_config->get("user_mode") == "develop") {
-        wxGetApp().app_config->set("user_mode", "advanced");
-     }
+    if (!wxGetApp().app_config->has("user_mode")) { 
+        wxGetApp().app_config->set("user_mode", "simple");
+        wxGetApp().app_config->set_bool("developer_mode", false);
+        wxGetApp().app_config->save();
+    }
 
     wxGetApp().app_config->set_bool("internal_developer_mode", false);