diff --git a/packages/multimedia/libaacs/patches/libaacs-0.4.0-bison_2.6.patch b/packages/multimedia/libaacs/patches/libaacs-0.4.0-bison_2.6.patch
new file mode 100644
index 0000000000..698692c4bd
--- /dev/null
+++ b/packages/multimedia/libaacs/patches/libaacs-0.4.0-bison_2.6.patch
@@ -0,0 +1,30 @@
+diff -Naur libaacs-0.4.0-old/src/file/keydbcfg-parser.y libaacs-0.4.0-new/src/file/keydbcfg-parser.y
+--- libaacs-0.4.0-old/src/file/keydbcfg-parser.y	2012-05-04 04:23:42.000000000 -0700
++++ libaacs-0.4.0-new/src/file/keydbcfg-parser.y	2012-07-21 19:20:14.000000000 -0700
+@@ -1,4 +1,8 @@
+-%{
++%code requires {
++#include "file/keydbcfg.h"
++}
++
++%code {
+ /*
+  * This file is part of libaacs
+  * Copyright (C) 2010  gates
+@@ -18,7 +22,6 @@
+  * <http://www.gnu.org/licenses/>.
+  */
+ 
+-#include "file/keydbcfg.h"
+ #include "util/macro.h"
+ 
+ #include <stdio.h>
+@@ -85,7 +88,7 @@
+ 
+ /* uncomment the line below for debugging */
+ // int yydebug = 1;
+-%}
++}
+ /* Options set to generate a reentrant parser that is POSIX yacc compatible
+  * The basic 'scanner' parameters are set. Also, another parameter is set
+  * to pass in a title entry list struct used to hold all title entries.