diff --git a/src/app.js b/src/app.js
index b539ea494..a0b88611c 100644
--- a/src/app.js
+++ b/src/app.js
@@ -101,3 +101,7 @@ window.addEventListener('load', () => {
   };
   window.franz.render();
 });
+
+// Prevent drag and drop into window from redirecting
+window.addEventListener('dragover', event => event.preventDefault());
+window.addEventListener('drop', event => event.preventDefault());