diff --git a/spine-ts/spine-pixi/src/Spine.ts b/spine-ts/spine-pixi/src/Spine.ts
index 1e561632c..2070aad77 100644
--- a/spine-ts/spine-pixi/src/Spine.ts
+++ b/spine-ts/spine-pixi/src/Spine.ts
@@ -128,7 +128,7 @@ export class Spine extends Container {
 		this.skeleton.updateWorldTransform(Physics.update);
 	}
 
-	private initializeMeshFactory(options?: ISpineOptions) {
+	private initializeMeshFactory (options?: ISpineOptions) {
 		if (options?.slotMeshFactory) {
 			this.slotMeshFactory = options?.slotMeshFactory;
 		} else {