diff --git a/app/assets/javascripts/discourse/widgets/hooks.js.es6 b/app/assets/javascripts/discourse/widgets/hooks.js.es6
index 14b7cd0d962..d863d46e81a 100644
--- a/app/assets/javascripts/discourse/widgets/hooks.js.es6
+++ b/app/assets/javascripts/discourse/widgets/hooks.js.es6
@@ -3,6 +3,7 @@
 const CLICK_ATTRIBUTE_NAME         = '_discourse_click_widget';
 const CLICK_OUTSIDE_ATTRIBUTE_NAME = '_discourse_click_outside_widget';
 const KEY_UP_ATTRIBUTE_NAME        = '_discourse_key_up_widget';
+const KEY_DOWN_ATTRIBUTE_NAME      = '_discourse_key_down_widget';
 const DRAG_ATTRIBUTE_NAME          = '_discourse_drag_widget';
 
 function buildHook(attributeName, setAttr) {
@@ -30,6 +31,7 @@ function buildHook(attributeName, setAttr) {
 export const WidgetClickHook = buildHook(CLICK_ATTRIBUTE_NAME);
 export const WidgetClickOutsideHook = buildHook(CLICK_OUTSIDE_ATTRIBUTE_NAME, 'data-click-outside');
 export const WidgetKeyUpHook = buildHook(KEY_UP_ATTRIBUTE_NAME);
+export const WidgetKeyDownHook = buildHook(KEY_DOWN_ATTRIBUTE_NAME);
 export const WidgetDragHook = buildHook(DRAG_ATTRIBUTE_NAME);
 
 
@@ -105,5 +107,9 @@ WidgetClickHook.setupDocumentCallback = function() {
     nodeCallback(e.target, KEY_UP_ATTRIBUTE_NAME, w => w.keyUp(e));
   });
 
+  $(document).on('keydown.discourse-widget', e => {
+    nodeCallback(e.target, KEY_DOWN_ATTRIBUTE_NAME, w => w.keyDown(e));
+  });
+
   _watchingDocument = true;
 };
diff --git a/app/assets/javascripts/discourse/widgets/widget.js.es6 b/app/assets/javascripts/discourse/widgets/widget.js.es6
index 3dc30982ae2..bef20bf04e6 100644
--- a/app/assets/javascripts/discourse/widgets/widget.js.es6
+++ b/app/assets/javascripts/discourse/widgets/widget.js.es6
@@ -1,4 +1,4 @@
-import { WidgetClickHook, WidgetClickOutsideHook, WidgetKeyUpHook, WidgetDragHook } from 'discourse/widgets/hooks';
+import { WidgetClickHook, WidgetClickOutsideHook, WidgetKeyUpHook, WidgetKeyDownHook, WidgetDragHook } from 'discourse/widgets/hooks';
 import { h } from 'virtual-dom';
 import DecoratorHelper from 'discourse/widgets/decorator-helper';
 
@@ -71,6 +71,10 @@ function drawWidget(builder, attrs, state) {
     properties['widget-key-up'] = new WidgetKeyUpHook(this);
   }
 
+  if (this.keyDown) {
+    properties['widget-key-down'] = new WidgetKeyDownHook(this);
+  }
+
   if (this.clickOutside) {
     properties['widget-click-outside'] = new WidgetClickOutsideHook(this);
   }