diff --git a/src/Mod/Start/Gui/Workbench.cpp b/src/Mod/Start/Gui/Workbench.cpp
index 6a8b492e8e..4d4a9752ee 100644
--- a/src/Mod/Start/Gui/Workbench.cpp
+++ b/src/Mod/Start/Gui/Workbench.cpp
@@ -44,6 +44,7 @@
 #include <Base/Console.h>
 #include <Base/Exception.h>
 #include <Base/Interpreter.h>
+#include <Base/Tools.h>
 
 #include <Mod/Start/App/StartConfiguration.h>
 
@@ -71,6 +72,7 @@ void StartGui::Workbench::activated()
 
     try {
         QByteArray utf8Title = title.toUtf8();
+        std::string escapedstr = Base::Tools::escapedUnicodeFromUtf8(utf8Title);
         QByteArray cmd;
         QTextStream str(&cmd);
         str << "import WebGui,sys,Start" << endl;
@@ -78,7 +80,7 @@ void StartGui::Workbench::activated()
         str << endl;
         str << "class WebPage(object):" << endl;
         str << "    def __init__(self):" << endl;
-        str << "        self.browser=WebGui.openBrowserWindow('" << utf8Title << "')" << endl;
+        str << "        self.browser=WebGui.openBrowserWindow(u'" << escapedstr.c_str() << "')" << endl;
 #if defined(FC_OS_WIN32)
         str << "        self.browser.setHtml(StartPage.handle(), App.getResourceDir() + 'Mod/Start/StartPage/')" << endl;
 #else
diff --git a/src/Mod/Web/Gui/AppWebGui.cpp b/src/Mod/Web/Gui/AppWebGui.cpp
index c91327a967..8901e04957 100644
--- a/src/Mod/Web/Gui/AppWebGui.cpp
+++ b/src/Mod/Web/Gui/AppWebGui.cpp
@@ -91,15 +91,21 @@ private:
     {
         const char* HtmlCode;
         const char* BaseUrl;
-        const char* TabName = "Browser";
-        if (! PyArg_ParseTuple(args.ptr(), "ss|s",&HtmlCode,&BaseUrl,&TabName))
+        char* TabName = nullptr;
+        if (! PyArg_ParseTuple(args.ptr(), "ss|et", &HtmlCode, &BaseUrl, "utf-8", &TabName))
             throw Py::Exception();
 
+        std::string EncodedName = "Browser";
+        if (TabName) {
+            EncodedName = std::string(TabName);
+            PyMem_Free(TabName);
+        }
+
         WebGui::BrowserView* pcBrowserView = 0;
         pcBrowserView = new WebGui::BrowserView(Gui::getMainWindow());
         pcBrowserView->resize(400, 300);
         pcBrowserView->setHtml(QString::fromUtf8(HtmlCode),QUrl(QString::fromLatin1(BaseUrl)));
-        pcBrowserView->setWindowTitle(QString::fromUtf8(TabName));
+        pcBrowserView->setWindowTitle(QString::fromUtf8(EncodedName.c_str()));
         Gui::getMainWindow()->addWindow(pcBrowserView);
         if (!Gui::getMainWindow()->activeWindow())
             Gui::getMainWindow()->setActiveWindow(pcBrowserView);
@@ -109,14 +115,20 @@ private:
 
     Py::Object openBrowserWindow(const Py::Tuple& args)
     {
-        const char* TabName = "Browser";
-        if (! PyArg_ParseTuple(args.ptr(), "|s",&TabName))
+        char* TabName = nullptr;
+        if (!PyArg_ParseTuple(args.ptr(), "|et", "utf-8", &TabName))
             throw Py::Exception();
 
+        std::string EncodedName = "Browser";
+        if (TabName) {
+            EncodedName = std::string(TabName);
+            PyMem_Free(TabName);
+        }
+
         WebGui::BrowserView* pcBrowserView = 0;
         pcBrowserView = new WebGui::BrowserView(Gui::getMainWindow());
         pcBrowserView->resize(400, 300);
-        pcBrowserView->setWindowTitle(QString::fromUtf8(TabName));
+        pcBrowserView->setWindowTitle(QString::fromUtf8(EncodedName.c_str()));
         Gui::getMainWindow()->addWindow(pcBrowserView);
         if (!Gui::getMainWindow()->activeWindow())
             Gui::getMainWindow()->setActiveWindow(pcBrowserView);