diff --git a/lib/ftp.js b/lib/ftp.js
index 0409627..54fe2cf 100644
--- a/lib/ftp.js
+++ b/lib/ftp.js
@@ -26,7 +26,11 @@ module.exports = {
 
 		}
 
-		file.pipe( stream, { end: true } );
+		if ( file.isStream() ) {
+			file.contents.pipe( stream );
+		} else if ( file.isBuffer() ) {
+			stream.end( file.contents );
+		}
 
 		// ensure that parent directory exists
 		self.mkdirp( Path.dirname( path ), onParent );