3 files changed, 6 insertions, 3 deletions
diff --git a/packages/gitbook-core/src/shapes/File.js b/packages/gitbook-core/src/shapes/File.js
index 6c7df3e..fb7bc06 100644
--- a/packages/gitbook-core/src/shapes/File.js
+++ b/packages/gitbook-core/src/shapes/File.js
@@ -6,9 +6,8 @@ const {
     shape
 } = React.PropTypes;
 
-
 module.exports = shape({
     mtime: instanceOf(Date).isRequired,
     path:  string.isRequired,
-    type:  oneOf(['markdown', 'asciidoc']).isRequired
+    type:  oneOf(['', 'markdown', 'asciidoc']).isRequired
 });
diff --git a/packages/gitbook-plugin-highlight/src/CodeBlock.js b/packages/gitbook-plugin-highlight/src/CodeBlock.js
index 89f6793..a556d36 100644
--- a/packages/gitbook-plugin-highlight/src/CodeBlock.js
+++ b/packages/gitbook-plugin-highlight/src/CodeBlock.js
@@ -29,7 +29,7 @@ const CodeBlock = React.createClass({
     render() {
         const { children, className } = this.props;
         const content = getChildrenToText(children);
-        const lang = getLanguage(className);
+        const lang = getLanguage(className || '');
 
         const includeCSS = <GitBook.ImportCSS href="gitbook/highlight/white.css" />;
 
diff --git a/packages/gitbook/src/browser/__tests__/render.js b/packages/gitbook/src/browser/__tests__/render.js
new file mode 100644
index 0000000..799be44
--- /dev/null
+++ b/packages/gitbook/src/browser/__tests__/render.js
@@ -0,0 +1,4 @@
+
+describe('render', () => {
+
+});