diff --git a/src/services/domain/crypto.service.ts b/src/services/domain/crypto.service.ts
index d2db8de..c04a459 100644
--- a/src/services/domain/crypto.service.ts
+++ b/src/services/domain/crypto.service.ts
@@ -6,7 +6,7 @@ export class CryptoService {
 
   public hexToBlob(hexString: string): Blob {
     const uint8Array = this.hexToUInt8Array(hexString);
-    return new Blob([uint8Array], { type: 'application/octet-stream' });
+    return new Blob([uint8Array as any], { type: 'application/octet-stream' });
   }
 
   public hexToUInt8Array(hexString: string): Uint8Array {