diff --git a/src/index.js b/src/index.js
index 653a072..978cf4c 100644
--- a/src/index.js
+++ b/src/index.js
@@ -3,10 +3,7 @@
 const canvassed = require("canvassed");
 
 module.exports = function createRectangle(options = {}) {
-	canvassed.validateSync(options, { // FIXME: Type/value validation?
-		width: "required",
-		height: "required"
-	});
+	canvassed.requireProperties(options, ["width", "height"]);
 
 	let rectangle = canvassed.createObject(Object.assign({
 		type: "rectangle",