diff --git a/src/core/hw/y2r.cpp b/src/core/hw/y2r.cpp
index 25a0ff383..45bc04fd1 100644
--- a/src/core/hw/y2r.cpp
+++ b/src/core/hw/y2r.cpp
@@ -260,7 +260,7 @@ static void WriteTileToOutput(u32* output, const ImageTile& tile, int height, in
  * Hardware behaves strangely (doesn't fire the completion interrupt, for example) in these cases,
  * so they are believed to be invalid configurations anyway.
  */
-void PerformConversion(Memory::MemorySystem& memory, ConversionConfiguration& cvt) {
+void PerformConversion(Memory::MemorySystem& memory, ConversionConfiguration cvt) {
     ASSERT(cvt.input_line_width % 8 == 0);
     ASSERT(cvt.block_alignment != BlockAlignment::Block8x8 || cvt.input_lines % 8 == 0);
     // Tiles per row
diff --git a/src/core/hw/y2r.h b/src/core/hw/y2r.h
index c971a5030..2091773e1 100644
--- a/src/core/hw/y2r.h
+++ b/src/core/hw/y2r.h
@@ -13,5 +13,5 @@ struct ConversionConfiguration;
 } // namespace Service::Y2R
 
 namespace HW::Y2R {
-void PerformConversion(Memory::MemorySystem& memory, Service::Y2R::ConversionConfiguration& cvt);
+void PerformConversion(Memory::MemorySystem& memory, Service::Y2R::ConversionConfiguration cvt);
 } // namespace HW::Y2R