diff --git a/index.js b/index.js
index a3d64b2..7b9ad51 100644
--- a/index.js
+++ b/index.js
@@ -23,6 +23,9 @@ function get(obj, path) {
 }
 
 function set(obj, path, value) {
+	if (path === undefined || path === null) {
+		return false;
+	}
 	var keys = typeof path == 'string' ? 
 					parsePath(path) : 
 					Array.isArray(path) ? path : [path];
diff --git a/package.json b/package.json
index 6c3a0f7..aaa59d1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "deep-obj",
-  "version": "1.2.1",
+  "version": "1.2.2",
   "description": "Set and get values on objects via dot-notation strings",
   "main": "index.js",
   "scripts": {