diff --git a/src/entities/WSProtocol.ts b/src/entities/WSProtocol.ts
index ad36544..0e4870b 100644
--- a/src/entities/WSProtocol.ts
+++ b/src/entities/WSProtocol.ts
@@ -1577,6 +1577,8 @@ export namespace Protocol {
       this.rpc_id = rcp_id ?? 0;
       this.command = Protocol.Commands.kRpcSetSubtitle;
       this.subtitle = subtitle ?? new SubtitleEntity();
+
+      this.subtitle.y_offset = parseInt(<any>this.subtitle.y_offset);
     }
   }