diff --git a/lib/x11/corereqs.js b/lib/x11/corereqs.js
index bdbf0d4..e0f0842 100644
--- a/lib/x11/corereqs.js
+++ b/lib/x11/corereqs.js
@@ -7,7 +7,7 @@ var valueMask = {
         backgroundPixel : 0x00000002,
         borderPixmap    : 0x00000004,
         borderPixel     : 0x00000008,
-        bitGrawity      : 0x00000010,
+        bitGravity      : 0x00000010,
         winGravity      : 0x00000020,
         backingStore    : 0x00000040,
         backingPlanes   : 0x00000080,