diff --git a/modules/io/export.js b/modules/io/export.js
index b0c9c769..4afa5f34 100644
--- a/modules/io/export.js
+++ b/modules/io/export.js
@@ -554,7 +554,7 @@ function saveGeoJsonMarkers() {
   const features = pack.markers.map(marker => {
     const {i, type, icon, x, y, size, fill, stroke} = marker;
     const coordinates = getCoordinates(x, y, 4);
-    const note = notes.find(note => note.id === id);
+    const note = notes.find(note => note.id === "marker" + i);
     const properties = {id: i, type, icon, x, y, ...note, size, fill, stroke};
     return {type: "Feature", geometry: {type: "Point", coordinates}, properties};
   });