diff --git a/lib/liquid/range_lookup.rb b/lib/liquid/range_lookup.rb
index 57bccd0..8cf6da1 100644
--- a/lib/liquid/range_lookup.rb
+++ b/lib/liquid/range_lookup.rb
@@ -29,7 +29,7 @@ module Liquid
       case input
       when Integer
         input
-      when NilClass, String
+      when NilClass, String, Float
         input.to_i
       else
         Utils.to_integer(input)
diff --git a/test/integration/tags/for_tag_test.rb b/test/integration/tags/for_tag_test.rb
index f19d630..7c64087 100644
--- a/test/integration/tags/for_tag_test.rb
+++ b/test/integration/tags/for_tag_test.rb
@@ -50,6 +50,7 @@ HERE
 
   def test_for_with_variable_range
     assert_template_result(' 1  2  3 ', '{%for item in (1..foobar) %} {{item}} {%endfor%}', "foobar" => 3)
+    assert_template_result(' 1  2  3 ', '{%for item in (x..y) %} {{item}} {%endfor%}', "x" => 1.1, "y" => 3.3)
   end
 
   def test_for_with_hash_value_range