Find :

	<dict>
		<key>CFBundleTypeExtensions</key>
		<array>
			<string>zip</string>
			<string>ZIP</string>
		</array>
		<key>CFBundleTypeIconFile</key>
		<string>zip.icns</string>
		<key>CFBundleTypeMIMETypes</key>
		<array>
			<string>application/zip</string>
			<string>application/x-zip</string>
			<string>application/x-zip-compressed</string>
		</array>
		<key>CFBundleTypeName</key>
		<string>Zip Archive</string>
		<key>CFBundleTypeOSTypes</key>
		<array>
			<string>ZIP </string>
			<string>ZIP_</string>
		</array>
		<key>CFBundleTypeRole</key>
		<string>Viewer</string>
		<key>LSItemContentTypes</key>
		<array>
			<string>com.pkware.zip-archive</string>
		</array>
		<key>LSTypeIsPackage</key>
		<false/>
		<key>NSPersistentStoreTypeKey</key>
		<string>XML</string>
	</dict>

Replace with :

	<dict>
		<key>CFBundleTypeExtensions</key>
		<array>
			<string>zip</string>
		</array>
		<key>CFBundleTypeIconFile</key>
		<string>zip.icns</string>
		<key>CFBundleTypeName</key>
		<string>ZIP archive</string>
		<key>CFBundleTypeRole</key>
		<string>Viewer</string>
	</dict>

It seams to work, believe me!