From c5eaa4c716ff75cbe2f20c9ab976915fdd43946f Mon Sep 17 00:00:00 2001
From: tildearrow <me@tildearrow.org>
Date: Fri, 9 Jun 2023 14:57:14 -0500
Subject: [PATCH] fix force mono audio

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

diff --git a/src/engine/playback.cpp b/src/engine/playback.cpp
index 0ed7264c3..c2397d1e9 100644
--- a/src/engine/playback.cpp
+++ b/src/engine/playback.cpp
@@ -2120,7 +2120,7 @@ void DivEngine::nextBuf(float** in, float** out, int inChans, int outChans, unsi
     for (size_t i=0; i<size; i++) {
       float chanSum=out[0][i];
       for (int j=1; j<outChans; j++) {
-        chanSum=out[j][i];
+        chanSum+=out[j][i];
       }
       out[0][i]=chanSum/outChans;
       for (int j=1; j<outChans; j++) {