diff --git a/public/index.html b/public/index.html
index c80bb0eb..6c5337ce 100644
--- a/public/index.html
+++ b/public/index.html
@@ -61,6 +61,7 @@
       /* tracker methods like "setCustomDimension" should be called before "trackPageView" */
       _paq.push(['requireConsent']);
       _paq.push(["setDomains", ["*.hotosm.org"]]);
+      _paq.push(['setDownloadExtensions', "tif|tiff|jpg|png"]);
       _paq.push(['trackPageView']);
       _paq.push(['enableLinkTracking']);   // Tracks downloads
       _paq.push(['trackVisibleContentImpressions']);  // Tracks content blocks
diff --git a/src/components/results_item.js b/src/components/results_item.js
index b6c3ddfd..0b408571 100644
--- a/src/components/results_item.js
+++ b/src/components/results_item.js
@@ -303,7 +303,7 @@ export default createReactClass({
       <div className="pane-menu">
         <a
           title="Download raw .tiff image file"
-          className="button-download"
+          className="matomo_download button-download"
           target="_blank"
           href={this.props.data.uuid.replace("http://", "https://")}
         >