Index: lams_learning/src/java/org/lamsfoundation/lams/learning/export/web/action/ExportDownloadServlet.java
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diff -u -r623a8b69a67eb91d7e0a31c5f4d15c4fabb9aa6f -red847247ae8455a425ba4f3e80332880b5ed463a
--- lams_learning/src/java/org/lamsfoundation/lams/learning/export/web/action/ExportDownloadServlet.java	(.../ExportDownloadServlet.java)	(revision 623a8b69a67eb91d7e0a31c5f4d15c4fabb9aa6f)
+++ lams_learning/src/java/org/lamsfoundation/lams/learning/export/web/action/ExportDownloadServlet.java	(.../ExportDownloadServlet.java)	(revision ed847247ae8455a425ba4f3e80332880b5ed463a)
@@ -63,7 +63,7 @@
 	    String zipFilename = WebUtil.readStrParam(request, ExportPortfolioConstants.PARAM_FILE_LOCATION);
 	    
 	    /* Extract taken from org.lamsfoundation.lams.contentrepository.client.Download servlet */
-		response.setContentType("application/zip");
+	    response.setContentType("application/x-download");
 		response.setHeader("Content-Disposition","attachment;filename=\""+getFilename(zipFilename)+"\"");
 		
 		InputStream in = new BufferedInputStream(new FileInputStream(new File(constructAbsolutePath(zipFilename))));