diff --git a/test/unit/resources/auditd_test.rb b/test/unit/resources/auditd_test.rb
index 32377512c..727725e11 100644
--- a/test/unit/resources/auditd_test.rb
+++ b/test/unit/resources/auditd_test.rb
@@ -29,8 +29,8 @@ describe "Inspec::Resources::AuditDaemon" do
       action_items << param["action"] if param["action"]
     end
 
-    list_items.uniq.must_equal ["exit"]
-    action_items.uniq.must_equal ["always"]
+    _(list_items.uniq).must_equal ["exit"]
+    _(action_items.uniq).must_equal ["always"]
   end
 
   it "auditd syscall interface" do