diff --git a/src/core/plugins/oas3/components/callbacks.jsx b/src/core/plugins/oas3/components/callbacks.jsx
index 71b81e78..f2e3c325 100644
--- a/src/core/plugins/oas3/components/callbacks.jsx
+++ b/src/core/plugins/oas3/components/callbacks.jsx
@@ -19,7 +19,7 @@ export default (props) => {
               operation={operation}
               key={method}
               method={method}
-              isShownKey={"callbacks", operation.get("id"), callbackName}
+              isShownKey={["callbacks", operation.get("id"), callbackName]}
               path={pathItemName}
               allowTryItOut={false}
               {...props}></Operation>