diff --git a/features/post_excerpts.feature b/features/post_excerpts.feature
index 7344000c2b2..6267fdc6572 100644
--- a/features/post_excerpts.feature
+++ b/features/post_excerpts.feature
@@ -34,6 +34,25 @@ Feature: Post excerpts
     And I should see exactly "<p>content for entry1.</p>" in "_site/2007/12/31/entry1.html"
     And I should see exactly "<p>content for entry1.</p>" in "_site/index.html"
 
+  Scenario: An excerpt with Liquid constructs from a post with a layout
+    Given I have an "index.html" page that contains "{% for post in site.posts %}{{ post.excerpt }}{% endfor %}"
+    And I have a configuration file with "baseurl" set to "/blog"
+    And I have a _posts directory
+    And I have a _layouts directory
+    And I have a post layout that contains "{{ page.excerpt }}"
+    And I have the following posts:
+      | title  | date       | layout | content                                  |
+      | entry1 | 2007-12-31 | post   | {{ 'assets/style.css' \| relative_url }} |
+    When I run jekyll build
+    Then I should get a zero exit status
+    And the _site directory should exist
+    And the _site/2007 directory should exist
+    And the _site/2007/12 directory should exist
+    And the _site/2007/12/31 directory should exist
+    And the "_site/2007/12/31/entry1.html" file should exist
+    And I should see exactly "<p>/blog/assets/style.css</p>" in "_site/2007/12/31/entry1.html"
+    And I should see exactly "<p>/blog/assets/style.css</p>" in "_site/index.html"
+
   Scenario: An excerpt from a post with a layout which has context
     Given I have an "index.html" page that contains "{% for post in site.posts %}{{ post.excerpt }}{% endfor %}"
     And I have a _posts directory
diff --git a/lib/jekyll/excerpt.rb b/lib/jekyll/excerpt.rb
index c711a58541d..d270624c062 100644
--- a/lib/jekyll/excerpt.rb
+++ b/lib/jekyll/excerpt.rb
@@ -9,9 +9,12 @@ class Excerpt
     attr_writer   :output
 
     def_delegators :@doc, :site, :name, :ext, :extname,
-                          :render_with_liquid?, :collection, :related_posts,
+                          :collection, :related_posts,
+                          :coffeescript_file?, :yaml_file?,
                           :url, :next_doc, :previous_doc
 
+    private :coffeescript_file?, :yaml_file?
+
     # Initialize this Excerpt instance.
     #
     # doc - The Document.
@@ -84,6 +87,10 @@ def place_in_layout?
       false
     end
 
+    def render_with_liquid?
+      !(coffeescript_file? || yaml_file? || !Utils.has_liquid_construct?(content))
+    end
+
     protected
 
     # Internal: Extract excerpt from the content