--- a/frontends/CsoundVST/Shell.cpp
+++ b/frontends/CsoundVST/Shell.cpp
@@ -211,6 +211,8 @@ namespace csound
   void Shell::main(int argc, char **argv)
   {
     PySys_SetArgv_(argc, argv);
+    /* Sanitize sys.path */
+    PyRun_SimpleString_("import sys; sys.path = filter(None, sys.path)");
   }
 
   void Shell::initialize()
--- a/frontends/CsoundVST/ScoreGeneratorVst.cpp
+++ b/frontends/CsoundVST/ScoreGeneratorVst.cpp
@@ -427,6 +427,8 @@
   Shell::open();
   char *argv[] = {"",""};
   PySys_SetArgv(1, argv);
+  /* Sanitize sys.path */
+  PyRun_SimpleString("import sys; sys.path = filter(None, sys.path)");
   PyObject *mainModule = PyImport_ImportModule("__main__");
   result = runScript("import sys\n");
   if(result)