diff --git a/lib/components/JsonSchema/json-schema.js b/lib/components/JsonSchema/json-schema.js
index 6e5687df..d40a34f9 100644
--- a/lib/components/JsonSchema/json-schema.js
+++ b/lib/components/JsonSchema/json-schema.js
@@ -105,14 +105,14 @@ export default class JsonSchema extends BaseComponent {
       }
       return propertySchema;
     });
-    if (this.skipReadOnly) {
-      props = props.filter(prop => !prop.readOnly);
-    }
     // Move discriminator field to the end of properties list
     if (discriminatorFieldIdx > -1) {
       let discrProp = props.splice(discriminatorFieldIdx, 1);
       props.push(discrProp[0]);
     }
+    if (this.skipReadOnly) {
+      props = props.filter(prop => !prop.readOnly);
+    }
     schema.properties = props;
   }