diff --git a/app/priv/search/v2/settings/work.json b/app/priv/search/v2/settings/work.json
index 7e89a975f..732e144bb 100644
--- a/app/priv/search/v2/settings/work.json
+++ b/app/priv/search/v2/settings/work.json
@@ -108,6 +108,15 @@
           }
         }
       },
+      {
+        "edtf_date": {
+          "match": "^date_created_edtf$",
+          "match_pattern": "regex",
+          "mapping": {
+            "type": "keyword"
+          }
+        }
+      },
       {
         "latlong": {
           "match": ".*Geo|^geo",