diff --git a/lib/utils/axios.js b/lib/utils/axios.js
index c77c4d481a..23ce8008cf 100644
--- a/lib/utils/axios.js
+++ b/lib/utils/axios.js
@@ -56,6 +56,13 @@ const custom = got.extend({
                 return error;
             },
         ],
+        beforeRequest: [
+            (options) => {
+                if (options.responseType === 'buffer') {
+                    options.encoding = null;
+                }
+            },
+        ],
     },
     agent: agent,
     headers: {