diff --git a/lib/x11/handshake.js b/lib/x11/handshake.js
index 8e27dfc..feed8ce 100644
--- a/lib/x11/handshake.js
+++ b/lib/x11/handshake.js
@@ -67,7 +67,7 @@ function readScreens(bl, display, cbDisplayReady)
              'L white_pixel', 
              'L black_pixel',
              'L input_masks', 
-             'S pixel_with', 
+             'S pixel_width', 
              'S pixel_height', 
              'S mm_width', 
              'S mm_height',