diff --git a/index.d.ts b/index.d.ts
index 291b095..29be0b9 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -4,7 +4,6 @@
 export type AnimationEventCallback<T = any> = (args: T) => void;
 
 export type AnimationItem = {
-
     name: string;
     isLoaded: boolean;
     currentFrame: number;
@@ -89,6 +88,7 @@
     renderer?: 'svg' | 'canvas' | 'html';
     loop?: boolean | number;
     autoplay?: boolean;
+    initialSegment?: AnimationSegment;        
     name?: string;
     assetsPath?: string;
     initialSegment: AnimationSegment;