diff --git a/packages/media/src/Video/usecase/VideoBuildFromCharacterUseCase.ts b/packages/media/src/Video/usecase/VideoBuildFromCharacterUseCase.ts
index 5f4753fc..8afcb6e8 100644
--- a/packages/media/src/Video/usecase/VideoBuildFromCharacterUseCase.ts
+++ b/packages/media/src/Video/usecase/VideoBuildFromCharacterUseCase.ts
@@ -25,7 +25,7 @@ export const execute = (video: Video, character: IVideoCharacter): void =>
     video.volume      = character.volume;
 
     video.src = URL.createObjectURL(new Blob(
-        [character.videoData],
+        [character.videoData.buffer as ArrayBuffer],
         { "type": "video/mp4" }
     ));
 };
\ No newline at end of file
diff --git a/packages/media/src/interface/IVideoCharacter.ts b/packages/media/src/interface/IVideoCharacter.ts
index da241a86..f88ee396 100644
--- a/packages/media/src/interface/IVideoCharacter.ts
+++ b/packages/media/src/interface/IVideoCharacter.ts
@@ -4,7 +4,7 @@ export interface IVideoCharacter {
     symbol?: string;
     extends: string;
     buffer: number[] | null;
-    videoData: Uint8Array;
+    videoData: null | Uint8Array;
     volume: number;
     loop: boolean;
     autoPlay: boolean;