diff --git a/setup.py b/setup.py
index c5318bb..c8de121 100644
--- a/setup.py
+++ b/setup.py
@@ -133,6 +133,8 @@ def info(self, msg, *args):
     build_id_patch = build_id_patch + ".0"
 pywin32_version="%d.%d.%s" % (sys.version_info[0], sys.version_info[1],
                               build_id_patch)
+pywin32_msi_version = "%d.%d.%s" % (sys.version_info[0], sys.version_info[1], build_id)
+
 print "Building pywin32", pywin32_version
 
 try:
@@ -2377,7 +2379,7 @@ def convert_optional_data_files(files):
            }
 
 dist = setup(name="pywin32",
-      version=str(build_id),
+      version=str(pywin32_msi_version),
       description="Python for Window Extensions",
       long_description="Python extensions for Microsoft Windows\n"
                        "Provides access to much of the Win32 API, the\n"