diff --git a/src/utils/marks.ts b/src/utils/marks.ts
index 34d8fd0..a22498b 100644
--- a/src/utils/marks.ts
+++ b/src/utils/marks.ts
@@ -17,7 +17,7 @@ class KmMarksLayer extends LayerGroup {
     this.options = {
       showMiddleMarkers: true,
       showEndMarker: true,
-      kmMarksStep: 20,
+      kmMarksStep: 10,
       ...(options || {}),
     } as KmMarksOptions;
   }