diff --git a/examples/edit.js b/examples/edit.js
index 74551384c9..9b83079198 100644
--- a/examples/edit.js
+++ b/examples/edit.js
@@ -738,6 +738,10 @@ var mousePressStartPosition = {
 var mouseDown = false;
 
 function mousePressEvent(event) {
+    if (!event.isLeftButton) {
+        // If another mouse button than left is pressed ignore it
+        return false;
+    }
     mouseDown = true;
     mousePressStartPosition = {
         x: event.x,