diff --git a/package.json b/package.json
index 4579a74..6605028 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "create-react-webpack",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "create-react-webpack ",
   "main": "scripts/create.js",
   "bin": {
diff --git a/scripts/create.js b/scripts/create.js
index 3c39493..780d69d 100755
--- a/scripts/create.js
+++ b/scripts/create.js
@@ -12,7 +12,9 @@ var args = process.argv.slice(2);
 var dirName = args[0];
 var end_to_end = args[1];
 
-if (dirName[0].match("^[A-Z0-9]")) {
+if (dirName === "undefined") {
+  throw new Error(ErrorMessage("directory name can't be empty"));
+} else if (dirName[0].match("^[A-Z0-9]")) {
   throw new Error(
     ErrorMessage("directory name can't start from capital letters ")
   );