diff --git a/plugins/map/OverviewSupport.jsx b/plugins/map/OverviewSupport.jsx
index a400ecbb1..954f67092 100644
--- a/plugins/map/OverviewSupport.jsx
+++ b/plugins/map/OverviewSupport.jsx
@@ -12,6 +12,7 @@ import {connect} from 'react-redux';
 
 import ol from 'openlayers';
 import PropTypes from 'prop-types';
+import {v1 as uuidv1} from 'uuid';
 
 import {LayerRole} from '../../actions/layers';
 import OlLayer from '../../components/map/OlLayer';
@@ -58,7 +59,8 @@ class OverviewMap extends React.Component {
             if (this.props.options.layer) {
                 overviewLayer = {
                     ...this.props.options.layer,
-                    visibility: true
+                    visibility: true,
+                    id: uuidv1()
                 };
                 if (overviewLayer.type === 'wms') {
                     overviewLayer.version = overviewLayer.params.VERSION || overviewLayer.version || this.props.themes?.defaultWMSVersion || "1.3.0";