diff --git a/lib/response.js b/lib/response.js
index bfe2f63..114c78e 100644
--- a/lib/response.js
+++ b/lib/response.js
@@ -473,8 +473,8 @@ class RESPONSE {
     if (this._compression && this._response.body) {
       const { data, contentEncoding } = compression.compress(this._response.body, this._request.headers)
       if (contentEncoding) {
-        this._isBase64 = true
         this._response.body = data.toString('base64')
+        this._response.isBase64Encoded = true
         this._response.headers['content-encoding'] = [contentEncoding]
       }
     }