diff --git a/core/modules/ckeditor/js/plugins/drupalimage/plugin.js b/core/modules/ckeditor/js/plugins/drupalimage/plugin.js
index 0025664e09..3441f00192 100644
--- a/core/modules/ckeditor/js/plugins/drupalimage/plugin.js
+++ b/core/modules/ckeditor/js/plugins/drupalimage/plugin.js
@@ -285,12 +285,14 @@
 
   // Override image2's integration with the official CKEditor link plugin:
   // integrate with the drupallink plugin instead.
-  CKEDITOR.plugins.image2.getLinkAttributesParser = function () {
-    return CKEDITOR.plugins.drupallink.parseLinkAttributes;
-  };
-  CKEDITOR.plugins.image2.getLinkAttributesGetter = function () {
-    return CKEDITOR.plugins.drupallink.getLinkAttributes;
-  };
+  if (CKEDITOR.plugins.drupallink) {
+    CKEDITOR.plugins.image2.getLinkAttributesParser = function () {
+      return CKEDITOR.plugins.drupallink.parseLinkAttributes;
+    };
+    CKEDITOR.plugins.image2.getLinkAttributesGetter = function () {
+      return CKEDITOR.plugins.drupallink.getLinkAttributes;
+    };
+  }
 
   /**
    * Integrates the drupalimage widget with the drupallink plugin.