diff --git a/index.ts b/index.ts
index 081ffc1..c9e0d5e 100644
--- a/index.ts
+++ b/index.ts
@@ -15,7 +15,7 @@ export class File implements Writer {
     }
 
     public log(_level: Level, ...data: any[]) : void {
-        this.sink.write(data.join(" "))
+        for (const block of data) this.sink.write(block)
     }
 
     public end() : number | Promise<number> {