diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/surface_atomic_operations.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/surface_atomic_operations.cpp
index 6f70ccc7c0..b7d9d468b6 100644
--- a/src/shader_recompiler/frontend/maxwell/translate/impl/surface_atomic_operations.cpp
+++ b/src/shader_recompiler/frontend/maxwell/translate/impl/surface_atomic_operations.cpp
@@ -22,13 +22,16 @@ enum class Type : u64 {
     _UNK7 = 7,
 };
 
+/// For any would be newcomer to here: Yes - GPU dissasembly says S64 should
+/// be after F16x2FTZRN. However if you do plan to revert this, you MUST test
+/// ToTK beforehand. As the game will break with the subtle change
 enum class Size : u64 {
     U32,
     S32,
     U64,
+    S64,
     F32FTZRN,
     F16x2FTZRN,
-    S64,
     SD32,
     SD64,
 };