diff --git a/features/collections.feature b/features/collections.feature
index 91a271fc..dc4ea311 100644
--- a/features/collections.feature
+++ b/features/collections.feature
@@ -14,7 +14,7 @@ Feature: Collections
 
   Scenario: Rendered collection
     Given I have an "index.html" page that contains "Collections: {{ site.collections }}"
-    And I have an "collection_metadata.html" page that contains "Methods metadata: {{ site.collections.methods.foo }} {{ site.collections.methods }}"
+    And I have an "collection_metadata.html" page that contains "Methods metadata: {{ site.collections[0].foo }} {{ site.collections[0] }}"
     And I have fixture collections
     And I have a "_config.yml" file with content:
     """
@@ -25,7 +25,8 @@ Feature: Collections
     """
     When I run jekyll build
     Then the _site directory should exist
-    And I should see "Collections: {\"methods" in "_site/index.html"
+    And I should see "Collections: {\"output\"=>true" in "_site/index.html"
+    And I should see "\"label\"=>\"methods\"," in "_site/index.html"
     And I should see "Methods metadata: bar" in "_site/collection_metadata.html"
     And I should see "<p>Whatever: foo.bar</p>" in "_site/methods/configuration.html"
 
@@ -56,7 +57,8 @@ Feature: Collections
     """
     When I run jekyll build
     Then the _site directory should exist
-    And I should see "Collections: {\"methods" in "_site/index.html"
+    And I should see "Collections: {\"output\"=>true" in "_site/index.html"
+    And I should see "\"label\"=>\"methods\"," in "_site/index.html"
     And I should see "<p>Run your generators! default</p>" in "_site/methods/site/generate.html"
     And I should see "<div class='title'>Tom Preston-Werner</div>" in "_site/methods/site/generate.html"
 
diff --git a/lib/jekyll/site.rb b/lib/jekyll/site.rb
index b909bece..92aa0f39 100644
--- a/lib/jekyll/site.rb
+++ b/lib/jekyll/site.rb
@@ -251,7 +251,7 @@ module Jekyll
             "html_pages"   => pages.select { |page| page.html? || page.url.end_with?("/") },
             "categories"   => post_attr_hash('categories'),
             "tags"         => post_attr_hash('tags'),
-            "collections"  => collections,
+            "collections"  => collections.values.map(&:to_liquid),
             "documents"    => documents,
             "data"         => site_data
         }))