diff --git a/bin/callback.js b/bin/callback.js
index 2390b74..d53d7cc 100644
--- a/bin/callback.js
+++ b/bin/callback.js
@@ -52,7 +52,7 @@ const callbackRequest = (url, timeout, data) => {
     req.abort()
   })
   req.on('error', (e) => {
-    console.err('Callback request error.', e)
+    console.error('Callback request error.', e)
     req.abort()
   })
   req.write(data)