diff --git a/lib/liquid/standardfilters.rb b/lib/liquid/standardfilters.rb
index 65b5150..9540478 100644
--- a/lib/liquid/standardfilters.rb
+++ b/lib/liquid/standardfilters.rb
@@ -421,8 +421,9 @@ module Liquid
       result.is_a?(BigDecimal) ? result.to_f : result
     end
 
-    def default(input, default_value = '', allow_false: false)
-      if (allow_false ? input.nil? : !input) || (input.respond_to?(:empty?) && input.empty?)
+    def default(input, default_value = '', options = {})
+      options = {} unless options.is_a?(Hash)
+      if (options["allow_false"] == true ? input.nil? : !input) || (input.respond_to?(:empty?) && input.empty?)
         default_value
       else
         input
diff --git a/test/integration/standard_filter_test.rb b/test/integration/standard_filter_test.rb
index 7cd3e31..e807c88 100644
--- a/test/integration/standard_filter_test.rb
+++ b/test/integration/standard_filter_test.rb
@@ -682,15 +682,17 @@ class StandardFiltersTest < Minitest::Test
     assert_equal "bar", @filters.default(false, "bar")
     assert_equal "bar", @filters.default([], "bar")
     assert_equal "bar", @filters.default({}, "bar")
+    assert_template_result('bar', "{{ false | default: 'bar' }}")
   end
 
   def test_default_handle_false
-    assert_equal "foo", @filters.default("foo", "bar", allow_false: true)
-    assert_equal "bar", @filters.default(nil, "bar", allow_false: true)
-    assert_equal "bar", @filters.default("", "bar", allow_false: true)
-    assert_equal false, @filters.default(false, "bar", allow_false: true)
-    assert_equal "bar", @filters.default([], "bar", allow_false: true)
-    assert_equal "bar", @filters.default({}, "bar", allow_false: true)
+    assert_equal "foo", @filters.default("foo", "bar", "allow_false" => true)
+    assert_equal "bar", @filters.default(nil, "bar", "allow_false" => true)
+    assert_equal "bar", @filters.default("", "bar", "allow_false" => true)
+    assert_equal false, @filters.default(false, "bar", "allow_false" => true)
+    assert_equal "bar", @filters.default([], "bar", "allow_false" => true)
+    assert_equal "bar", @filters.default({}, "bar", "allow_false" => true)
+    assert_template_result('false', "{{ false | default: 'bar', allow_false: true }}")
   end
 
   def test_cannot_access_private_methods