$OpenBSD: patch-src_client_side_reply_cc,v 1.1 2013/11/15 19:09:17 sthen Exp $
--- src/client_side_reply.cc.orig	Thu Oct  3 13:32:47 2013
+++ src/client_side_reply.cc	Mon Oct 21 13:49:36 2013
@@ -1312,7 +1312,7 @@ clientReplyContext::buildReplyHeader()
             if (http->storeEntry()->timestamp <= squid_curtime) {
                 // put X-Cache-Age: instead of Age:
                 char age[64];
-                snprintf(age, sizeof(age), "%ld", (long int) squid_curtime - http->storeEntry()->timestamp);
+                snprintf(age, sizeof(age), "%lld", (long long) squid_curtime - http->storeEntry()->timestamp);
                 hdr->putExt("X-Cache-Age", age);
             }
         } else if (http->storeEntry()->timestamp <= squid_curtime) {
