diff -r 378bdb92e5b7 Tools/msi/msi.py
--- a/Tools/msi/msi.py	Thu Feb 13 22:53:42 2014 -0800
+++ b/Tools/msi/msi.py	Fri Feb 14 19:44:34 2014 +1000
@@ -420,7 +420,7 @@
 
     compileargs = r'-Wi "[TARGETDIR]Lib\compileall.py" -f -x "bad_coding|badsyntax|site-packages|py2_|lib2to3\\tests|venv\\scripts" "[TARGETDIR]Lib"'
     lib2to3args = r'-c "import lib2to3.pygram, lib2to3.patcomp;lib2to3.patcomp.PatternCompiler()"'
-    updatepipargs = r'-m ensurepip -U'
+    updatepipargs = r'-m ensurepip -U --default-pip'
     removepipargs = r'-m ensurepip._uninstall'
     # See "CustomAction Table"
     add_data(db, "CustomAction", [