diff --git a/js/dropzone.integration.js b/js/dropzone.integration.js
index 2d53f1d..05666a4 100644
--- a/js/dropzone.integration.js
+++ b/js/dropzone.integration.js
@@ -111,6 +111,29 @@
             dropzoneInstance.removeFile(rejectedFiles[i]);
           }
         });
+
+        // Auto disble/enable form buttons.
+        if (instanceConfig.disableFormButtons) {
+          var $form = selector.parents('form');
+          var $buttons = $form.find(instanceConfig.disableFormButtons);
+
+          if ($buttons.length > 0) {
+            // If a file is added to the queue, disable the buttons.
+            dropzoneInstance.on('addedfile', function () {
+              $buttons.prop('disabled', true);
+            });
+
+            // If a file is removed from the queue, toggle the buttons depending on the length of the queue.
+            dropzoneInstance.on('removedfile', function () {
+              $buttons.prop('disabled', dropzoneInstance.getQueuedFiles().length > 0);
+            });
+
+            // If all files have finished uploading, re-enable the buttons.
+            dropzoneInstance.on('queuecomplete', function () {
+              $buttons.prop('disabled', false);
+            });
+          }
+        }
       });
     }
   };
diff --git a/src/Element/DropzoneJs.php b/src/Element/DropzoneJs.php
index 2884734..6778ef8 100644
--- a/src/Element/DropzoneJs.php
+++ b/src/Element/DropzoneJs.php
@@ -34,6 +34,8 @@ use Drupal\Core\Url;
  * - #clientside_resize (bool)
  *   Whether or not to use DropzoneJS clientside resizing. It requires v4.4.0+
  *   version of the library.
+ * - #disable_form_buttons (string)
+ *   A CSS selector of buttons to disable until the queued files are uploaded.
  *
  * Optional options are:
  * - #resize_width (integer)
@@ -158,6 +160,12 @@ class DropzoneJs extends FormElement {
 
     $element['#attached']['library'][] = 'dropzonejs/widget';
 
+    if (!empty($element['#disable_form_buttons'])) {
+      $element['#attached']['drupalSettings']['dropzonejs']['instances'][$element['#id']] += [
+        'disableFormButtons' => $element['#disable_form_buttons'],
+      ];
+    }
+
     static::setAttributes($element, ['dropzone-enable']);
     return $element;
   }