diff --git a/patches/xactengine3_7-PrepareWave/0004-xactengine-Implement-IXACT3Cue-SetOutputVoiceMatrix.patch b/patches/xactengine3_7-PrepareWave/0004-xactengine-Implement-IXACT3Cue-SetOutputVoiceMatrix.patch
new file mode 100644
index 00000000..0af1950b
--- /dev/null
+++ b/patches/xactengine3_7-PrepareWave/0004-xactengine-Implement-IXACT3Cue-SetOutputVoiceMatrix.patch
@@ -0,0 +1,39 @@
+From 303fef1731a8ceccb890aefd9fa16e69fe82ef03 Mon Sep 17 00:00:00 2001
+From: Alistair Leslie-Hughes <leslie_alistair@hotmail.com>
+Date: Fri, 28 Jul 2023 17:49:43 +1000
+Subject: [PATCH] xactengine: Implement IXACT3Cue SetOutputVoiceMatrix
+
+Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=55345
+
+NOTE: Currently FAudio doesn't support this.
+---
+ dlls/xactengine3_7/xact_dll.c | 12 ++++++++++--
+ 1 file changed, 10 insertions(+), 2 deletions(-)
+
+diff --git a/dlls/xactengine3_7/xact_dll.c b/dlls/xactengine3_7/xact_dll.c
+index eba1386cdd7..19009083e3f 100644
+--- a/dlls/xactengine3_7/xact_dll.c
++++ b/dlls/xactengine3_7/xact_dll.c
+@@ -330,9 +330,17 @@ static HRESULT WINAPI IXACT3CueImpl_SetOutputVoiceMatrix(IXACT3Cue *iface,
+         UINT32 DestinationChannels, const float *pLevelMatrix)
+ {
+     XACT3CueImpl *This = impl_from_IXACT3Cue(iface);
+-    FIXME("(%p)->(%p %u %u %p): stub!\n", This, pDestinationVoice, SourceChannels,
++    uint32_t ret;
++
++    TRACE("(%p)->(%p %u %u %p)\n", This, pDestinationVoice, SourceChannels,
+             DestinationChannels, pLevelMatrix);
+-    return S_OK;
++    if (pDestinationVoice)
++        WARN("pDestinationVoice currently not supported\n");
++
++    ret = FACTCue_SetOutputVoiceMatrix(This->fact_cue, NULL, SourceChannels,
++        DestinationChannels, pLevelMatrix);
++
++    return ret ? E_FAIL : S_OK;
+ }
+ #endif
+ 
+-- 
+2.40.1
+
diff --git a/patches/xactengine3_7-PrepareWave/definition b/patches/xactengine3_7-PrepareWave/definition
index 4f604b55..fee9b9b4 100644
--- a/patches/xactengine3_7-PrepareWave/definition
+++ b/patches/xactengine3_7-PrepareWave/definition
@@ -1,3 +1,4 @@
 # This only implements the wine side and now comes an FAudio issue.
 # reference https://github.com/FNA-XNA/FAudio/issues/206
 Fixes: [49689] xactengine3_7: Implement IXACT3Engine PrepareWave
+Fixes: [55345] xactengine3_7: Implement IXACT3Cue SetOutputVoiceMatrix