diff --git a/ui/app/utils/openapi-to-attrs.js b/ui/app/utils/openapi-to-attrs.js
index ed3b024a8c..7713f3b354 100644
--- a/ui/app/utils/openapi-to-attrs.js
+++ b/ui/app/utils/openapi-to-attrs.js
@@ -35,7 +35,7 @@ export const expandOpenApiProps = function (props) {
 
     editType = editType || type;
 
-    if (format === 'seconds') {
+    if (format === 'seconds' || format === 'duration') {
       editType = 'ttl';
     } else if (items) {
       editType = items.type + capitalize(type);