From d3d23579add16fbe3c21f2b436457f398f0f5254 Mon Sep 17 00:00:00 2001
From: Chris Robinson <chris.kcat@gmail.com>
Date: Sat, 14 Oct 2023 10:56:37 -0700
Subject: Read the correct half-frequency bin

---
 alc/effects/convolution.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'alc/effects/convolution.cpp')

diff --git a/alc/effects/convolution.cpp b/alc/effects/convolution.cpp
index fe681745..ca356508 100644
--- a/alc/effects/convolution.cpp
+++ b/alc/effects/convolution.cpp
@@ -418,7 +418,7 @@ void ConvolutionState::deviceUpdate(const DeviceBase *device, const BufferStorag
             {
                 ffttmp[i*2    ] = static_cast<float>(fftbuffer[i].real()) * fftscale;
                 ffttmp[i*2 + 1] = static_cast<float>((i == 0) ?
-                    fftbuffer[ConvolveUpdateSamples+1].real() : fftbuffer[i].imag()) * fftscale;
+                    fftbuffer[ConvolveUpdateSamples].real() : fftbuffer[i].imag()) * fftscale;
             }
             /* Reorder backward to make it suitable for pffft_zconvolve and the
              * subsequent pffft_transform(..., PFFFT_BACKWARD).
-- 
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