diff --git a/lib/puppet_x/icinga2/utils.rb b/lib/puppet_x/icinga2/utils.rb
index fb37a7b12..e94797b98 100644
--- a/lib/puppet_x/icinga2/utils.rb
+++ b/lib/puppet_x/icinga2/utils.rb
@@ -101,6 +101,11 @@ def self.attribute_types(attr)
         def self.parse(row)
           result = ''
 
+          # parser is disabled
+          if row =~ /^-:(.*)$/
+            return $1
+          end
+
           # scan function
           if row =~ /^\{{2}(.+)\}{2}$/
             result += "{{%s}}" % [ $1 ]
diff --git a/spec/defines/object_spec.rb b/spec/defines/object_spec.rb
index 2f61497c0..22afed836 100644
--- a/spec/defines/object_spec.rb
+++ b/spec/defines/object_spec.rb
@@ -181,6 +181,14 @@
     end
 
 
+    context "#{os} with attrs => { vars => { bar => unparsed string } }" do
+      let(:params) { {:attrs => { 'vars' => { 'bar' => '-:"unparsed string"' } }, :object_type => 'foo', :target => '/bar/baz', :order => '10'} }
+
+      it { is_expected.to contain_concat__fragment('bar')
+        .with_content(/vars.bar = "unparsed string"/) }
+    end
+
+
     context "#{os} with attrs => { vars => { bar => {} } }" do
       let(:params) { {:attrs => { 'vars' => { 'bar' => {} } }, :object_type => 'foo', :target => '/bar/baz', :order => '10'} }
 
@@ -447,6 +455,14 @@
   end
 
 
+  context "Windows 2012 R2 with attrs => { vars => { bar => unparsed string } }" do
+    let(:params) { {:attrs => { 'vars' => { 'bar' => '-:"unparsed string"' } }, :object_type => 'foo', :target => 'C:/bar/baz', :order => '10'} }
+
+    it { is_expected.to contain_concat__fragment('bar')
+      .with_content(/vars.bar = "unparsed string"/) }
+  end
+
+
   context "Windows 2012 R2 with attrs => { vars => { bar => {} } }" do
     let(:params) { {:attrs => { 'vars' => { 'bar' => {} } }, :object_type => 'foo', :target => 'C:/bar/baz', :order => '10'} }