diff --git a/lib/DataHarmonizer.js b/lib/DataHarmonizer.js
index a4508158..4f36167d 100644
--- a/lib/DataHarmonizer.js
+++ b/lib/DataHarmonizer.js
@@ -552,8 +552,8 @@ class DataHarmonizer {
             $(TH).addClass('secondary-header-cell');
             if (column > -1) {
               const field = self.fields[column];
-              if (field.recommended) $(TH).addClass('recommended');
-              else if (field.required) $(TH).addClass('required');
+              if (field.required) $(TH).addClass('required');
+              else if (field.recommended) $(TH).addClass('recommended');
             }
           }
         },