diff --git a/src/processor/gpu.rs b/src/processor/gpu.rs
index c9bdcdd..855f933 100644
--- a/src/processor/gpu.rs
+++ b/src/processor/gpu.rs
@@ -45,7 +45,7 @@ impl TiledataArea {
     }
 }
 
-#[derive(Debug)]
+#[derive(Debug, PartialEq)]
 enum ObjSize {
     S8x8,
     S8x16,