diff --git a/core/modules/responsive_image/responsive_image.js b/core/modules/responsive_image/responsive_image.js
new file mode 100644
index 0000000..a2330a9
--- /dev/null
+++ b/core/modules/responsive_image/responsive_image.js
@@ -0,0 +1,16 @@
+(function (Drupal) {
+
+  "use strict";
+
+  /**
+   * Call picturefill so newly added responsive images are processed.
+   */
+  Drupal.behaviors.responsive_images = {
+    attach: function () {
+      if (window.picturefill) {
+        window.picturefill();
+      }
+    }
+  };
+
+})(Drupal);
diff --git a/core/modules/responsive_image/responsive_image.libraries.yml b/core/modules/responsive_image/responsive_image.libraries.yml
new file mode 100644
index 0000000..91f0dba
--- /dev/null
+++ b/core/modules/responsive_image/responsive_image.libraries.yml
@@ -0,0 +1,4 @@
+drupal.responsive_image:
+  version: VERSION
+  js:
+    responsive_image.js: {}
diff --git a/core/modules/responsive_image/responsive_image.module b/core/modules/responsive_image/responsive_image.module
index f7e2192..0603435 100644
--- a/core/modules/responsive_image/responsive_image.module
+++ b/core/modules/responsive_image/responsive_image.module
@@ -480,3 +480,14 @@ function _responsive_image_image_style_url($style_name, $path) {
   }
   return file_create_url($path);
 }
+
+/**
+ * Implements hook_library_info_alter().
+ *
+ * Load responsive_image.js whenever ajax is added.
+ */
+function responsive_image_library_info_alter(array &$libraries, $module) {
+  if ($module === 'core' && isset($libraries['drupal.ajax'])) {
+    $libraries['drupal.ajax']['dependencies'][] = array('responsive_image/responsive_image');
+  }
+}