diff --git a/Gemfile b/Gemfile
index 4ac0c5306..21d8437af 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,7 @@ source 'https://rubygems.org'
 
 gem 'rake'
 
-platforms :ruby do
+platforms :ruby, :mingw do
   gem 'sqlite3'
 end
 
diff --git a/lib/delayed/psych_ext.rb b/lib/delayed/psych_ext.rb
index 827a685f5..5c9e378b5 100644
--- a/lib/delayed/psych_ext.rb
+++ b/lib/delayed/psych_ext.rb
@@ -36,7 +36,9 @@ def visit_Class(klass)
     end
 
     class ToRuby
-      def visit_Psych_Nodes_Scalar(o)
+      original_visit_Psych_Nodes_Scalar_method = instance_method(:visit_Psych_Nodes_Scalar)
+
+      define_method(:visit_Psych_Nodes_Scalar) do |o|
         @st[o.anchor] = o.value if o.anchor
 
         if klass = Psych.load_tags[o.tag]
@@ -57,6 +59,9 @@ def visit_Psych_Nodes_Scalar(o)
         case o.tag
         when '!binary', 'tag:yaml.org,2002:binary'
           o.value.unpack('m').first
+        when '!ruby/object:BigDecimal'
+          require 'bigdecimal'
+          BigDecimal._load o.value
         when '!str', 'tag:yaml.org,2002:str'
           o.value
         when "!ruby/object:DateTime"
@@ -94,7 +99,7 @@ def visit_Psych_Nodes_Scalar(o)
         when /^!ruby\/sym(bol)?:?(.*)?$/
           o.value.to_sym
         else
-          @ss.tokenize o.value
+          original_visit_Psych_Nodes_Scalar_method.bind(self).call o
         end
       end
 
diff --git a/spec/delayed/psych_ext_spec.rb b/spec/delayed/psych_ext_spec.rb
new file mode 100644
index 000000000..86cc7391c
--- /dev/null
+++ b/spec/delayed/psych_ext_spec.rb
@@ -0,0 +1,12 @@
+require 'helper'
+
+describe 'Psych::Visitors::ToRuby', :if => defined?(Psych::Visitors::ToRuby) do
+  context BigDecimal do
+    it 'deserializes correctly' do
+      deserialized = YAML.load("--- !ruby/object:BigDecimal 18:0.1337E2\n...\n")
+
+      expect(deserialized).to be_an_instance_of(BigDecimal)
+      expect(deserialized).to eq(BigDecimal('13.37'))
+    end
+  end
+end
diff --git a/spec/helper.rb b/spec/helper.rb
index 7cd1108c0..00bcf771b 100644
--- a/spec/helper.rb
+++ b/spec/helper.rb
@@ -11,13 +11,15 @@
 require 'simplecov'
 require 'coveralls'
 
+require 'tempfile'
+
 SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter[
   SimpleCov::Formatter::HTMLFormatter,
   Coveralls::SimpleCov::Formatter
 ]
 SimpleCov.start
 
-Delayed::Worker.logger = Logger.new('/tmp/dj.log')
+Delayed::Worker.logger = Logger.new(Tempfile.new('dj.log'))
 ENV['RAILS_ENV'] = 'test'
 
 Delayed::Worker.backend = :test