diff --git a/www/mozilla/patches/patch-nsprpub_pr_src_misc_prnetdb_c b/www/mozilla/patches/patch-nsprpub_pr_src_misc_prnetdb_c
new file mode 100644
index 00000000000..7d430f5f1cd
--- /dev/null
+++ b/www/mozilla/patches/patch-nsprpub_pr_src_misc_prnetdb_c
@@ -0,0 +1,16 @@
+$OpenBSD: patch-nsprpub_pr_src_misc_prnetdb_c,v 1.3 2004/02/29 22:41:15 wilfried Exp $
+--- nsprpub/pr/src/misc/prnetdb.c.orig	2003-10-31 06:09:29.000000000 +0100
++++ nsprpub/pr/src/misc/prnetdb.c	2004-02-22 11:19:20.000000000 +0100
+@@ -2094,7 +2094,12 @@ PR_IMPLEMENT(PRAddrInfo *) PR_GetAddrInf
+          */
+         hints.ai_socktype = SOCK_STREAM;
+ 
++	LOCK_DNS();
++
+         rv = GETADDRINFO(hostname, NULL, &hints, &res);
++
++	UNLOCK_DNS();
++
+         if (rv == 0)
+             return (PRAddrInfo *) res;
+