diff --git a/src/dropzone.js b/src/dropzone.js
index 55b233e28..d8111f45a 100644
--- a/src/dropzone.js
+++ b/src/dropzone.js
@@ -234,7 +234,7 @@ export default class Dropzone extends Emitter {
         // Making sure that no one can "tab" into this field.
         this.hiddenFileInput.setAttribute("tabindex", "-1");
         // Add arialabel for a11y
-        this.hiddenFileInput.ariaLabel = "dropzone hidden input";
+        this.hiddenFileInput.setAttribute("aria-label", "dropzone hidden input");
 
         // Not setting `display="none"` because some browsers don't accept clicks
         // on elements that aren't displayed.