diff --git a/src/node/SupercellFlash/objects/ShapeDrawCommand.ts b/src/node/SupercellFlash/objects/ShapeDrawCommand.ts
index 33e4f09..8eb2986 100644
--- a/src/node/SupercellFlash/objects/ShapeDrawCommand.ts
+++ b/src/node/SupercellFlash/objects/ShapeDrawCommand.ts
@@ -43,6 +43,7 @@ export class ShapeDrawBitmapCommand extends NATIVE_SHAPE_DRAW_COMMAND {
 
   toJSON(): object {
     return {
+      textureIndex: this.textureIndex,
       vertices: this.vertices,
     };
   }