diff --git a/lib/jsduck/categories.rb b/lib/jsduck/categories.rb
index 690d1f63cfdcceee541e35a1fae37d07d6fe1a1c..a55604d95201fc46227e0b91e80cd0ead6bc63a1 100644
--- a/lib/jsduck/categories.rb
+++ b/lib/jsduck/categories.rb
@@ -13,7 +13,7 @@ module JsDuck
 
     # Parses categories in JSON file
     def parse(path)
-      @categories = JsonDuck.read(path)["categories"]
+      @categories = JsonDuck.read(path)
 
       # Perform expansion on all class names containing * wildcard
       @categories.each do |cat|