diff --git a/.npmignore b/.npmignore
new file mode 100644
index 00000000..528c6b25
--- /dev/null
+++ b/.npmignore
@@ -0,0 +1,11 @@
+.*rc
+.eslintignore
+.csscomb.json
+.*.yml
+.editorconfig
+karma.conf.js
+server.js
+tests.webpack.js
+webpack.config.*
+docs
+spec
diff --git a/components/autocomplete/Autocomplete.jsx b/components/autocomplete/Autocomplete.jsx
index 6ddd0af9..11a6248e 100644
--- a/components/autocomplete/Autocomplete.jsx
+++ b/components/autocomplete/Autocomplete.jsx
@@ -113,7 +113,7 @@ class Autocomplete extends React.Component {
 
   source () {
     const { source } = this.props;
-    if (source.hasOwnProperty(length)) {
+    if (source.hasOwnProperty('length')) {
       return new Map(source.map((item) => [item, item]));
     } else {
       return new Map(Object.keys(source).map((key) => [key, source[key]]));