diff --git a/spec/unit/puppet-strings/json_spec.rb b/spec/unit/puppet-strings/json_spec.rb
index feed48c..60f9cd5 100644
--- a/spec/unit/puppet-strings/json_spec.rb
+++ b/spec/unit/puppet-strings/json_spec.rb
@@ -83,7 +83,7 @@ Puppet::Type.type(:database).provide :linux do
   defaultfor :osfamily => 'RedHat', :operatingsystemmajrelease => '7'
   has_feature :implements_some_feature
   has_feature :some_other_feature
-  commands foo: /usr/bin/foo
+  commands foo: '/usr/bin/foo'
 end
 
 Puppet::Type.newtype(:database) do