diff --git a/test/testUtils/mocks/mocksContainer/mockImage.ts b/test/testUtils/mocks/mocksContainer/mockImage.ts
index b128346ea7b..f8990985e54 100644
--- a/test/testUtils/mocks/mocksContainer/mockImage.ts
+++ b/test/testUtils/mocks/mocksContainer/mockImage.ts
@@ -1,6 +1,9 @@
 import MockContainer from "#test/testUtils/mocks/mocksContainer/mockContainer";
 
 export class MockImage extends MockContainer {
+  // biome-ignore lint/correctness/noUnusedPrivateClassMembers: this is intentional (?)
+  private texture;
+
   constructor(textureManager, x, y, texture) {
     super(textureManager, x, y);
     this.texture = texture;