diff --git a/src/components/ol/Map.vue b/src/components/ol/Map.vue
index 18013f3b..86dc6e5e 100644
--- a/src/components/ol/Map.vue
+++ b/src/components/ol/Map.vue
@@ -78,6 +78,11 @@ export default {
         me.map.updateSize();
       });
       resizeObserver.observe(container);
+
+      // add tabIndex attribute to the map's container, so it gets focusable.
+      // Otherwise the OL keyboard navigation won't work, see keyboardEventTarget
+      // in https://openlayers.org/en/latest/apidoc/module-ol_Map.html
+      container.tabIndex = '0';
     }
 
     // Send the event 'ol-map-mounted' with the OL map as payload