diff -r -U3 Python-3.0rc3/Tools/msi/msi.py Python-3.0rc3-new/Tools/msi/msi.py
--- Python-3.0rc3/Tools/msi/msi.py	2008-11-19 14:55:08.000000000 +0100
+++ Python-3.0rc3-new/Tools/msi/msi.py	2008-11-24 12:05:46.375000000 +0100
@@ -398,7 +398,7 @@
               ("VerdanaRed9", "Verdana", 9, 255, 0),
              ])
 
-    compileargs = r'-Wi "[TARGETDIR]Lib\compileall.py" -f -x bad_coding|badsyntax|site-packages|py2_ "[TARGETDIR]Lib"'
+    compileargs = r'-Wi "[TARGETDIR]Lib\compileall.py" -f -x "bad_coding|badsyntax|site-packages|py2_" "[TARGETDIR]Lib"'
     lib2to3args = r'-c "import lib2to3.pygram, lib2to3.patcomp;lib2to3.patcomp.PatternCompiler()"'
     # See "CustomAction Table"
     add_data(db, "CustomAction", [