diff --git a/fakestorage/server.go b/fakestorage/server.go
index 0ace3de20c..7700991781 100644
--- a/fakestorage/server.go
+++ b/fakestorage/server.go
@@ -125,7 +125,7 @@ func NewServerWithOptions(options Options) (*Server, error) {
 		return nil, err
 	}
 
-	allowedHeaders := []string{"Content-Type", "Content-Encoding", "Range"}
+	allowedHeaders := []string{"Content-Type", "Content-Encoding", "Range", "Content-Range"}
 	allowedHeaders = append(allowedHeaders, options.AllowedCORSHeaders...)
 
 	cors := handlers.CORS(