diff --git a/src/node/http.ts b/src/node/http.ts
index cea4aae76..adaa7a2ba 100644
--- a/src/node/http.ts
+++ b/src/node/http.ts
@@ -241,7 +241,7 @@ export abstract class HttpProvider {
       stream = compress
       headers["content-encoding"] = "gzip"
     }
-    return { stream, filePath, mime: "application/gzip", cache: true, headers }
+    return { stream, filePath, mime: "application/x-tar", cache: true, headers }
   }
 
   /**