diff --git a/src/core/plugins/oas3/components/servers.jsx b/src/core/plugins/oas3/components/servers.jsx
index 94e8d019..1189e067 100644
--- a/src/core/plugins/oas3/components/servers.jsx
+++ b/src/core/plugins/oas3/components/servers.jsx
@@ -129,7 +129,7 @@ export default class Servers extends React.Component {
             <table>
               <tbody>
                 {
-                  currentServerVariableDefs.map((val, name) => {
+                  currentServerVariableDefs.entrySeq().map(([name, val]) => {
                     return <tr key={name}>
                       <td>{name}</td>
                       <td>