diff --git a/Mac/Makefile.in b/Mac/Makefile.in
index 2a485c6..3981a96 100644
--- a/Mac/Makefile.in
+++ b/Mac/Makefile.in
@@ -14,6 +14,7 @@
 LDFLAGS=@LDFLAGS@
 FRAMEWORKUNIXTOOLSPREFIX=@FRAMEWORKUNIXTOOLSPREFIX@
 PYTHONFRAMEWORK=@PYTHONFRAMEWORK@
+PYTHONFRAMEWORKIDENTIFIER=@PYTHONFRAMEWORKIDENTIFIER@
 
 
 # These are normally glimpsed from the previous set
@@ -206,6 +207,12 @@
 		done; \
 	done
 	$(INSTALL_PROGRAM) $(STRIPFLAG) $(BUILDPYTHON) "$(DESTDIR)$(APPINSTALLDIR)/Contents/MacOS/$(PYTHONFRAMEWORK)"
+	sed -e "s!%bundleid%!$(PYTHONFRAMEWORKIDENTIFIER)!g" \
+		-e "s!%version%!`$(RUNSHARED) $(BUILDPYTHON) \
+		-c 'import platform; print(platform.python_version())'`!g" \
+		< "$(DESTDIR)$(APPINSTALLDIR)/Contents/Info.plist.in" \
+		> "$(DESTDIR)$(APPINSTALLDIR)/Contents/Info.plist"
+	rm "$(DESTDIR)$(APPINSTALLDIR)/Contents/Info.plist.in"
 
 install_Python4way: install_Python
 	lipo  -extract i386 -extract ppc7400 -output "$(DESTDIR)$(APPINSTALLDIR)/Contents/MacOS/$(PYTHONFRAMEWORK)-32" "$(DESTDIR)$(APPINSTALLDIR)/Contents/MacOS/$(PYTHONFRAMEWORK)"
diff --git a/Mac/Resources/app/Info.plist.in b/Mac/Resources/app/Info.plist.in
index 1233715..bd4a54c 100644
--- a/Mac/Resources/app/Info.plist.in
+++ b/Mac/Resources/app/Info.plist.in
@@ -20,7 +20,7 @@
 	<key>CFBundleExecutable</key>
 	<string>Python</string>
 	<key>CFBundleGetInfoString</key>
-	<string>@VERSION@, (c) 2004 Python Software Foundation.</string>
+	<string>%version%, (c) 2004-2009 Python Software Foundation.</string>
 	<key>CFBundleHelpBookFolder</key>
 	<array>
 		<string>Documentation</string>
@@ -33,21 +33,21 @@
 	<key>CFBundleIconFile</key>
 	<string>PythonInterpreter.icns</string>
 	<key>CFBundleIdentifier</key>
-	<string>@PYTHONFRAMEWORKIDENTIFIER@.app</string>
+	<string>%bundleid%</string>
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleLongVersionString</key>
-	<string>@VERSION@, (c) 2004-2008 Python Software Foundation.</string>
+	<string>%version%, (c) 2004-2009 Python Software Foundation.</string>
 	<key>CFBundleName</key>
 	<string>Python</string>
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>@VERSION@</string>
+	<string>%version%</string>
 	<key>CFBundleSignature</key>
 	<string>PytX</string>
 	<key>CFBundleVersion</key>
-	<string>@VERSION@</string>
+	<string>%version%</string>
 	<key>CSResourcesFileMapped</key>
 	<true/>
 	<key>LSRequiresCarbon</key>