diff --git a/examples/export-map.js b/examples/export-map.js
index 8a89def4a6..e57598c26a 100644
--- a/examples/export-map.js
+++ b/examples/export-map.js
@@ -25,7 +25,7 @@ const map = new Map({
 
 document.getElementById('export-png').addEventListener('click', function() {
   map.once('rendercomplete', function() {
-    domtoimage.toPng(map.getViewport())
+    domtoimage.toPng(map.getViewport().querySelector('.ol-layers'))
       .then(function(dataURL) {
         const link = document.getElementById('image-download');
         link.href = dataURL;
diff --git a/src/ol/renderer/Composite.js b/src/ol/renderer/Composite.js
index aebcbc0db1..0a94afe680 100644
--- a/src/ol/renderer/Composite.js
+++ b/src/ol/renderer/Composite.js
@@ -37,7 +37,7 @@ class CompositeMapRenderer extends MapRenderer {
     style.width = '100%';
     style.height = '100%';
 
-    this.element_.className = CLASS_UNSELECTABLE;
+    this.element_.className = CLASS_UNSELECTABLE + ' ol-layers';
 
     const container = map.getViewport();
     container.insertBefore(this.element_, container.firstChild || null);