diff --git a/ecs/jskult-webapp/src/templates/bioSearchList.html b/ecs/jskult-webapp/src/templates/bioSearchList.html
index 823dea7a..1e345ccc 100644
--- a/ecs/jskult-webapp/src/templates/bioSearchList.html
+++ b/ecs/jskult-webapp/src/templates/bioSearchList.html
@@ -361,10 +361,11 @@
                     // ダウンロード用の非表示項目に検索値を埋め込む
                     const bioSearchHiddenForm = document['bioSearchHidden']
                     const bioDownloadHiddenForm = document['bioDownloadHidden']
-                    for (const elem of Array.from(bioSearchHiddenForm.elements)) {
-                        bioDownloadHiddenForm[elem.name].value = elem.value
+                    for (const key of Object.keys(searchParams)) {
+                        const elem = bioDownloadHiddenForm[key]
+                        elem.value = searchParams[key]
                         if (elem.type === 'checkbox') {
-                            bioDownloadHiddenForm[elem.name].checked = elem.checked
+                            elem.checked = searchParams[key] === 'true' ? true : false
                         }
                     }
                     $('#result_data').html('')