#6439: fix argument type for PySys_SetArgvEx() and Py_SetProgramName() in Demo/embed code.
diff --git a/Demo/embed/loop.c b/Demo/embed/loop.c
index 2f7fe62..4a341fd 100644
--- a/Demo/embed/loop.c
+++ b/Demo/embed/loop.c
@@ -19,7 +19,7 @@
         count = atoi(argv[2]);
     }
 
-    Py_SetProgramName(argv[0]);
+    Py_SetProgramName(L"loop");
 
     /* uncomment this if you don't want to load site.py */
     /* Py_NoSiteFlag = 1; */