diff --git a/src/type-of.js b/src/type-of.js
index 7b64c17..69cba74 100644
--- a/src/type-of.js
+++ b/src/type-of.js
@@ -2,7 +2,9 @@
 
 module.exports = function typeOf(value) {
 	// FIXME: Better check
-	if (typeof value === "object") {
+	if (value == null) {
+		return null;
+	} else if (typeof value === "object") {
 		return value.type;
 	} else {
 		return null;