diff --git a/lib/x11/corereqs.js b/lib/x11/corereqs.js
index 83c5d7a..dac1459 100644
--- a/lib/x11/corereqs.js
+++ b/lib/x11/corereqs.js
@@ -444,5 +444,23 @@ module.exports = {
                 res.push(buff.unpack(format, offset));
            return res;
        }
+   ],
+
+	GetGeometry: [
+		function(drawable){
+			return ['CxSL', [14, 2, drawable]]
+		},
+		function(buff)
+		{
+			var res = buff.unpack('LSSSSSx');
+			ext = {};
+			ext.windowid = res[0]
+			ext.xPos = res[1];
+			ext.yPos = res[2];
+			ext.width = res[3];
+			ext.height = res[4];
+			ext.borderWith = res[5];
+			return ext;
+		}
    ]
 }