diff --git a/frontend/components/markup-modal/query-string-builder.js b/frontend/components/markup-modal/query-string-builder.js
index db0875c8f1131..932d572387867 100644
--- a/frontend/components/markup-modal/query-string-builder.js
+++ b/frontend/components/markup-modal/query-string-builder.js
@@ -200,7 +200,7 @@ export default class QueryStringBuilder extends React.Component {
       defaultValue: hasDefaultValue,
     } = getBadgeOption(name)
     return (
-      <tr>
+      <tr key={name}>
         <td>
           <QueryParamLabel htmlFor={name}>{label}</QueryParamLabel>
         </td>