diff --git a/lib/liquid/extensions.rb b/lib/liquid/extensions.rb
index d35bcea..0907819 100644
--- a/lib/liquid/extensions.rb
+++ b/lib/liquid/extensions.rb
@@ -7,6 +7,12 @@ class String # :nodoc:
   end
 end
 
+class Symbol # :nodoc:
+  def to_liquid
+    to_s
+  end
+end
+
 class Array # :nodoc:
   def to_liquid
     self
diff --git a/test/integration/variable_test.rb b/test/integration/variable_test.rb
index 58df833..abd6e70 100644
--- a/test/integration/variable_test.rb
+++ b/test/integration/variable_test.rb
@@ -89,4 +89,8 @@ class VariableTest < Minitest::Test
   def test_multiline_variable
     assert_equal 'worked', Template.parse("{{\ntest\n}}").render!('test' => 'worked')
   end
+
+  def test_render_symbol
+    assert_template_result 'bar', '{{ foo }}', 'foo' => :bar
+  end
 end