diff --git a/src/lib/Marker.tsx b/src/lib/Marker.tsx
index 76a5143..823dea6 100644
--- a/src/lib/Marker.tsx
+++ b/src/lib/Marker.tsx
@@ -9,11 +9,11 @@ import { useMap } from './Map';
 import { P } from 'storybook/internal/components';
 
 export function getMarkerImage(color='red', text='A') {
-  return `data:image/svg+xml,%3C%3Fxml%20version%3D%221.0%22%20encoding%3D%22UTF-8%22%3F%3E` + 
-    `%3Csvg%20width%3D%2240px%22%20height%3D%2240px%22%20viewBox%3D%220%200%2015%2015%22%20version%3D%221.1%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E` + 
-      `%3Cpath%20fill%3D%22${color}%22%20d%3D%22M7.5%2C0C5.0676%2C0%2C2.2297%2C1.4865%2C2.2297%2C5.2703%26%23xA%3B%26%23x9%3BC2.2297%2C7.8378%2C6.2838%2C13.5135%2C7.5%2C15c1.0811-1.4865%2C5.2703-7.027%2C5.2703-9.7297C12.7703%2C1.4865%2C9.9324%2C0%2C7.5%2C0z%22%2F%3E` + 
+  return `data:image/svg+xml,%3C%3Fxml%20version%3D%221.0%22%20encoding%3D%22UTF-8%22%3F%3E` +
+    `%3Csvg%20width%3D%2240px%22%20height%3D%2240px%22%20viewBox%3D%220%200%2015%2015%22%20version%3D%221.1%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E` +
+      `%3Cpath%20fill%3D%22${color}%22%20d%3D%22M7.5%2C0C5.0676%2C0%2C2.2297%2C1.4865%2C2.2297%2C5.2703%26%23xA%3B%26%23x9%3BC2.2297%2C7.8378%2C6.2838%2C13.5135%2C7.5%2C15c1.0811-1.4865%2C5.2703-7.027%2C5.2703-9.7297C12.7703%2C1.4865%2C9.9324%2C0%2C7.5%2C0z%22%2F%3E` +
       `%3Ctext%20x%3D%2250%25%22%20y%3D%2250%25%22%20text-anchor%3D%22middle%22%20fill%3D%22white%22%20font-size%3D%226px%22%3E`+
-        text + 
+        text +
       `%3C%2Ftext%3E`+
     `%3C%2Fsvg%3E`;
 }
@@ -29,10 +29,10 @@ function getNextChar(char) {
 }
 
 export function Marker({
-  lonLat=[0,0], 
-  color='red', 
-  char=' ', 
-  addOnClick=false, 
+  lonLat=[0,0],
+  color='red',
+  char=' ',
+  addOnClick=false,
   removeOnClick=false
 }) {
   const map = useMap();
@@ -63,7 +63,7 @@ export function Marker({
     addMarker(markerLayer, lonLat, color, markerChar);
 
     map.on('singleclick', function (evt) {
-      var feature = map.forEachFeatureAtPixel(evt.pixel, feature => feature);
+      const feature = map.forEachFeatureAtPixel(evt.pixel, feature => feature);
       if (feature) {
         removeOnClick && markerLayer?.getSource().removeFeature(feature);
       } else {