diff --git a/README.md b/README.md
index d95880c..73d0d3e 100644
--- a/README.md
+++ b/README.md
@@ -105,7 +105,7 @@ $ curl -d 10.2307/4486062 -H 'Content-Type: text/plain' http://127.0.0.1:1969/se
 Convert items in Zotero API JSON format to a [supported export format](https://github.com/zotero/translation-server/blob/master/src/exportEndpoint.js#L29-L47) (RIS, BibTeX, etc.):
 
 ```
-$ curl -d @items.json -H 'Content-Type: application/json' 'http://127.0.0.1:1969/export?format=bibtex'
+$ curl --data-binary @items.json -H 'Content-Type: application/json' 'http://127.0.0.1:1969/export?format=bibtex'
 ```
 
 ### Import Translation