diff -u lighttpd-1.4.26/debian/use-ipv6.pl lighttpd-1.4.26/debian/use-ipv6.pl
--- lighttpd-1.4.26/debian/use-ipv6.pl
+++ lighttpd-1.4.26/debian/use-ipv6.pl
@@ -6,3 +6,3 @@
 if (socket($sock, AF_INET6, SOCK_STREAM, 0)) {
-    print qq/\$SERVER["socket"] == "[::]:80" { }\n/;
+    print qq/\$SERVER["socket"] == "[::1]:80" { }\n/;
 }
diff -u lighttpd-1.4.26/debian/changelog lighttpd-1.4.26/debian/changelog
--- lighttpd-1.4.26/debian/changelog
+++ lighttpd-1.4.26/debian/changelog
@@ -1,3 +1,10 @@
+lighttpd (1.4.26-1.1ubuntu2) lucid; urgency=high
+
+  * Fixed (LP: #551211). Simultaneous bind to port 80 on ipv4/6.
+    - debian/use-ipv6.pl [::1] instead of [::] to bind to localhost.
+
+ -- Kenneth O'Brien <dev@kenobrien.org>  Sat, 03 Apr 2010 21:55:33 +0100
+
 lighttpd (1.4.26-1.1ubuntu1) lucid; urgency=low
 
   * Merge from debian unstable (LP: #407722).  Remaining changes: