diff --git a/src/ol/Overlay.js b/src/ol/Overlay.js
index 12245077c6..0bde6ec3b7 100644
--- a/src/ol/Overlay.js
+++ b/src/ol/Overlay.js
@@ -408,7 +408,7 @@ class Overlay extends BaseObject {
   /**
    * Pan the map so that the overlay is entirely visible in the current viewport
    * (if necessary).
-   * @param {PanIntoViewOptions|undefined} opt_panIntoViewOptions Options for the pan action
+   * @param {PanIntoViewOptions=} opt_panIntoViewOptions Options for the pan action
    * @api
    */
   panIntoView(opt_panIntoViewOptions) {