From 5436f1c7d5ca30788ce92453b880858757982d8b Mon Sep 17 00:00:00 2001
From: Perttu Ahola <celeron55@gmail.com>
Date: Fri, 6 Apr 2012 00:39:37 +0300
Subject: [PATCH] Attempt to fix sound left-right channels

---
 src/sound_openal.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sound_openal.cpp b/src/sound_openal.cpp
index 8d76b69e1..66faf40c1 100644
--- a/src/sound_openal.cpp
+++ b/src/sound_openal.cpp
@@ -461,7 +461,7 @@ public:
 		alListener3f(AL_VELOCITY, vel.X, vel.Y, vel.Z);
 		ALfloat f[6];
 		f3_set(f, at);
-		f3_set(f+3, up);
+		f3_set(f+3, -up);
 		alListenerfv(AL_ORIENTATION, f);
 		warn_if_error(alGetError(), "updateListener");
 	}