diff --git a/lib/demo.js b/lib/demo.js
index <HASH>..<HASH> 100644
--- a/lib/demo.js
+++ b/lib/demo.js
@@ -15,6 +15,6 @@ export class Demo {
     this.template = template || path.resolve(__dirname, 'default-template.jade');
 
     const specs = opt.specs && path.resolve(this.path, opt.specs);
-    this.specs = specs || path.resolve(this.path, 'specs/**/*.js');
+    this.specs = specs || path.resolve(this.path, 'spec/**/*.js');
   }
 }
rename default spec folder from specs to spec