diff --git a/modules/gui/src/gosty.cc b/modules/gui/src/gosty.cc
index b5275bb3e694c37359aad5eb2d5140544aae58f8..350b1f520e0322475da27c17104e37bff07936e7 100644
--- a/modules/gui/src/gosty.cc
+++ b/modules/gui/src/gosty.cc
@@ -185,14 +185,18 @@ int init_python_interpreter()
   String python_loc=setup_python_search_path(root, py);
   //py.RunCommand("from ost import *");
   //py.RunCommand("gui_mode=True");
-  std::stringstream cmd;
-  cmd << "execfile('" << python_loc;
+  std::stringstream script_path;
+  script_path << python_loc;
 #ifdef _MSC_VER
-  cmd << "\\ost\\gui\\";
+  script_path << "\\ost\\gui\\";
 #else  
-  cmd << "/ost/gui/";
+  script_path << "/ost/gui/";
 #endif
-  cmd << "gosty_startup.py')";
+  script_path << "gosty_startup.py";
+
+  std::stringstream cmd;
+  cmd << "exec(compile(open('" << script_path.str() << "').read(),'";
+  cmd << script_path.str() << "', 'exec'))";
   py.RunCommand(QString::fromStdString(cmd.str()));
   return 0;
 }
diff --git a/modules/gui/src/python_shell/python_interpreter.cc b/modules/gui/src/python_shell/python_interpreter.cc
index 29178f2c0a7816459f4838f8b7efe75b447851ea..08b0c34716f9180a0278ec7c31a42dde8e5119b8 100644
--- a/modules/gui/src/python_shell/python_interpreter.cc
+++ b/modules/gui/src/python_shell/python_interpreter.cc
@@ -54,7 +54,7 @@ PythonInterpreter::PythonInterpreter():
   main_module_ = bp::import("__main__");
   main_namespace_ = bp::extract<bp::dict>(main_module_.attr("__dict__"));
   main_namespace_["os"]=bp::import("os");
-  main_namespace_["__builtin__"]=bp::import("__builtin__");
+  main_namespace_["builtins"]=bp::import("builtins");
   main_namespace_["keyword"]=bp::import("keyword");
   bp::object code=bp::import("code");
   compile_command_=code.attr("compile_command");