Fix the FFT half point for the shifter effects

1 files changed, 1 insertions, 1 deletions

diff --git a/common/alcomplex.cpp b/common/alcomplex.cpp
index e5cbe8a0..9f30c716 100644
--- a/common/alcomplex.cpp
+++ b/common/alcomplex.cpp
@@ -59,7 +59,7 @@ void complex_hilbert(const al::span<std::complex<double>> buffer)
 
     const double inverse_size = 1.0/static_cast<double>(buffer.size());
     auto bufiter = buffer.begin();
-    const auto halfiter = bufiter + (buffer.size()>>1);
+    const auto halfiter = bufiter + (buffer.size()>>1) - 1;
 
     *bufiter *= inverse_size; ++bufiter;
     bufiter = std::transform(bufiter, halfiter, bufiter,