diff --git a/features/include_tag.feature b/features/include_tag.feature
index 3d2f48c2..22a83480 100644
--- a/features/include_tag.feature
+++ b/features/include_tag.feature
@@ -66,3 +66,14 @@ Feature: Include tags
     When I run jekyll build
     Then the _site directory should exist
     And I should see "one included" in "_site/index.html"
+
+  Scenario: Include a file with partial variables
+    Given I have an _includes directory
+    And I have an "_includes/one.html" file that contains "one included"
+    And I have a configuration file with:
+    | key          | value |
+    | include_file | one   |
+    And I have an "index.html" page that contains "{% include {{ site.include_file }}.html %}"
+    When I run jekyll build
+    Then the _site directory should exist
+    And I should see "one included" in "_site/index.html"
diff --git a/lib/jekyll/tags/include.rb b/lib/jekyll/tags/include.rb
index f8518df5..97e5c754 100644
--- a/lib/jekyll/tags/include.rb
+++ b/lib/jekyll/tags/include.rb
@@ -14,7 +14,7 @@ module Jekyll
       SYNTAX_EXAMPLE = "{% include file.ext param='value' param2='value' %}"
 
       VALID_SYNTAX = /([\w-]+)\s*=\s*(?:"([^"\\]*(?:\\.[^"\\]*)*)"|'([^'\\]*(?:\\.[^'\\]*)*)'|([\w\.-]+))/
-      VARIABLE_SYNTAX = /(?<variable>\{\{\s*(?<name>[\w\-\.]+)\s*(\|.*)?\}\})(?<params>.*)/
+      VARIABLE_SYNTAX = /(?<variable>[^{]*\{\{\s*(?<name>[\w\-\.]+)\s*(\|.*)?\}\}[^\s}]*)(?<params>.*)/
 
       INCLUDES_DIR = '_includes'
 
diff --git a/test/source/_posts/2013-12-17-include-variable-filters.markdown b/test/source/_posts/2013-12-17-include-variable-filters.markdown
index 3d66e879..c3291c7c 100644
--- a/test/source/_posts/2013-12-17-include-variable-filters.markdown
+++ b/test/source/_posts/2013-12-17-include-variable-filters.markdown
@@ -5,6 +5,7 @@ include1: include.html
 include2: include
 include3: INCLUDE
 include4: params
+include5: clude
 ---
 
 Liquid tests
@@ -19,3 +20,6 @@ Whitespace tests
 
 Parameters test
 - 7 {% include {{ page.include4 | append: '.html' }} var1='foo' var2='bar' %}
+
+Partial variable test
+- 8 {% include in{{ page.include5 }}.html %}
diff --git a/test/test_tags.rb b/test/test_tags.rb
index 942b28ce..815f14d5 100644
--- a/test/test_tags.rb
+++ b/test/test_tags.rb
@@ -504,6 +504,10 @@ CONTENT
         assert_match '<li>var1 = foo</li>', @content
         assert_match '<li>var2 = bar</li>', @content
       end
+
+      should "include file as partial variable" do
+        assert_match %r{8 included}, @content
+      end
     end
   end
 end