diff --git a/packages/mindplot/src/indexLoader.js b/packages/mindplot/src/indexLoader.js
index 76d2f7d3..7bb84bf5 100644
--- a/packages/mindplot/src/indexLoader.js
+++ b/packages/mindplot/src/indexLoader.js
@@ -62,6 +62,22 @@ const options = buildOptions({
 // Build designer ...
 const designer = buildDesigner(options);
 
+// Hock zoom events ...
+const zoomInButton = document.getElementById('zoom-plus');
+const zoomOutButton = document.getElementById('zoom-minus');
+
+if (zoomInButton) {
+  zoomInButton.addEventListener('click', () => {
+    designer.zoomIn();
+  });
+}
+if (zoomOutButton) {
+  zoomOutButton.addEventListener('click', () => {
+    designer.zoomOut();
+  });
+}
+
+
 designer.addEvent('loadSuccess', () => {
   loadingModal.hide();
 });