diff --git a/rpcs3/Emu/Cell/Modules/cellRec.cpp b/rpcs3/Emu/Cell/Modules/cellRec.cpp
index c137dfc70e..d5beb5aa39 100644
--- a/rpcs3/Emu/Cell/Modules/cellRec.cpp
+++ b/rpcs3/Emu/Cell/Modules/cellRec.cpp
@@ -725,7 +725,7 @@ void rec_info::start_video_provider()
 							if (sample.channels > channels)
 							{
 								// Downmix channels
-								AudioBackend::downmix(CELL_REC_AUDIO_BLOCK_SAMPLES, sample.channels, channels, src, reinterpret_cast<f32*>(dst_buffer.block.data()));
+								AudioBackend::downmix(CELL_REC_AUDIO_BLOCK_SAMPLES * sample.channels, sample.channels, channels, src, reinterpret_cast<f32*>(dst_buffer.block.data()));
 							}
 							else
 							{