diff --git a/src/slic3r/GUI/WebUserLoginDialog.cpp b/src/slic3r/GUI/WebUserLoginDialog.cpp
index ebef41f7b..3c0e5e430 100644
--- a/src/slic3r/GUI/WebUserLoginDialog.cpp
+++ b/src/slic3r/GUI/WebUserLoginDialog.cpp
@@ -18,6 +18,7 @@
 
 #include <boost/cast.hpp>
 #include <boost/lexical_cast.hpp>
+#include <boost/algorithm/string.hpp>
 
 #include <nlohmann/json.hpp>
 #include "MainFrame.hpp"
@@ -201,6 +202,7 @@ void ZUserLogin::OnIdle(wxIdleEvent &WXUNUSED(evt))
 void ZUserLogin::OnNavigationRequest(wxWebViewEvent &evt)
 {
     //wxLogMessage("%s", "Navigation request to '" + evt.GetURL() + "'(target='" + evt.GetTarget() + "')");
+    BOOST_LOG_TRIVIAL(trace) << __FUNCTION__ << ": " << evt.GetURL().ToUTF8().data();
 
     UpdateState();
 }
@@ -211,6 +213,8 @@ void ZUserLogin::OnNavigationRequest(wxWebViewEvent &evt)
 void ZUserLogin::OnNavigationComplete(wxWebViewEvent &evt)
 {
     // wxLogMessage("%s", "Navigation complete; url='" + evt.GetURL() + "'");
+    BOOST_LOG_TRIVIAL(trace) << __FUNCTION__ << ": " << evt.GetURL().ToUTF8().data();
+
     m_browser->Show();
     Layout();
     UpdateState();
@@ -221,6 +225,8 @@ void ZUserLogin::OnNavigationComplete(wxWebViewEvent &evt)
  */
 void ZUserLogin::OnDocumentLoaded(wxWebViewEvent &evt)
 {
+    BOOST_LOG_TRIVIAL(trace) << __FUNCTION__ << ": " << evt.GetURL().ToUTF8().data();
+
     // Only notify if the document is the main frame, not a subframe
     wxString tmpUrl = evt.GetURL();
     NetworkAgent* agent = wxGetApp().getAgent();
@@ -239,6 +245,8 @@ void ZUserLogin::OnDocumentLoaded(wxWebViewEvent &evt)
  */
 void ZUserLogin::OnNewWindow(wxWebViewEvent &evt)
 {
+    BOOST_LOG_TRIVIAL(trace) << __FUNCTION__ << ": " << evt.GetURL().ToUTF8().data();
+
     wxString flag = " (other)";
 
     if (evt.GetNavigationAction() == wxWEBVIEW_NAV_ACTION_USER) { flag = " (user)"; }
@@ -380,6 +388,7 @@ void ZUserLogin::OnError(wxWebViewEvent &evt)
             ShowErrorPage();
     }
 
+    BOOST_LOG_TRIVIAL(trace) << __FUNCTION__ << ": " << evt.GetURL().ToUTF8().data();
     // wxLogMessage("%s", "Error; url='" + evt.GetURL() + "', error='" +
     // category + " (" + evt.GetString() + ")'");
 
@@ -413,6 +422,7 @@ bool  ZUserLogin::ShowErrorPage()
 std::string ZUserLogin::GetStudioLanguage()
 {
     std::string strLanguage = wxGetApp().app_config->get("language");
+    boost::trim(strLanguage);
     if (strLanguage.empty()) strLanguage = "en";
 
     return strLanguage;
diff --git a/src/slic3r/GUI/WebViewDialog.cpp b/src/slic3r/GUI/WebViewDialog.cpp
index d22ffc13b..b1067b73e 100644
--- a/src/slic3r/GUI/WebViewDialog.cpp
+++ b/src/slic3r/GUI/WebViewDialog.cpp
@@ -13,6 +13,7 @@
 #include <boost/property_tree/json_parser.hpp>
 #include <boost/chrono.hpp>
 #include <boost/beast/core/detail/base64.hpp>
+#include <boost/algorithm/string.hpp>
 
 #include <wx/sizer.h>
 #include <wx/toolbar.h>
@@ -1931,7 +1932,8 @@ void WebViewPanel::SetWebviewShow(wxString name, bool show)
 
 std::string WebViewPanel::GetStudioLanguage() 
 { 
-    std::string strLanguage=wxGetApp().app_config->get("language"); 
+    std::string strLanguage = wxGetApp().app_config->get("language");
+    boost::trim(strLanguage);
     if (strLanguage.empty()) strLanguage = "en";
 
     return strLanguage;