diff --git a/umap/static/umap/img/marker.svg b/umap/static/umap/img/marker.svg
index eb482ce2..c0c087dc 100644
--- a/umap/static/umap/img/marker.svg
+++ b/umap/static/umap/img/marker.svg
@@ -1,3 +1,3 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 15 15">
+<svg xmlns="http://www.w3.org/2000/svg" width="15" height="15" viewBox="0 0 15 15">
   <path d="M14 7.5a6.5 6.5 0 1 1-13 0 6.5 6.5 0 0 1 13 0z" fill="#fff" stroke="#3e4444" stroke-width=".5"/>
 </svg>