diff --git a/src/core/plugins/oas3/components/http-auth.jsx b/src/core/plugins/oas3/components/http-auth.jsx
index af7dda84..5df10ddf 100644
--- a/src/core/plugins/oas3/components/http-auth.jsx
+++ b/src/core/plugins/oas3/components/http-auth.jsx
@@ -33,12 +33,10 @@ export default class HttpAuth extends React.Component {
     let { onChange } = this.props
     let { value, name } = e.target
 
-    let newValue = this.state.value || {}
+    let newValue = Object.assign({}, this.state.value)
+
     if(name) {
       newValue[name] = value
-      if(newValue.set) {
-        newValue = newValue.set(name, value)
-      } 
     } else {
       newValue = value
     }