diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 072d268f03..6bada936ba 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,3 +1,7 @@
+Drupal 7.87, 2022-01-19
+-----------------------
+- Fix regression caused by jQuery UI position() backport
+
 Drupal 7.86, 2022-01-18
 -----------------------
 - Fixed security issues:
diff --git a/includes/bootstrap.inc b/includes/bootstrap.inc
index ed4bfaeaac..edfe9f39a7 100644
--- a/includes/bootstrap.inc
+++ b/includes/bootstrap.inc
@@ -8,7 +8,7 @@
 /**
  * The current system version.
  */
-define('VERSION', '7.86');
+define('VERSION', '7.87');
 
 /**
  * Core API compatibility.
diff --git a/misc/ui/jquery.ui.position-1.13.0-backport.js b/misc/ui/jquery.ui.position-1.13.0-backport.js
index d9331e3fc0..6567e5e2fe 100644
--- a/misc/ui/jquery.ui.position-1.13.0-backport.js
+++ b/misc/ui/jquery.ui.position-1.13.0-backport.js
@@ -16,6 +16,9 @@
   var fnOriginalPosition = $.fn.position;
   $.fn.extend({
     'position': function (options) {
+      if (typeof options === 'undefined') {
+        return fnOriginalPosition.call(this);
+      }
 
       // Make sure string options are treated as CSS selectors
       var target = typeof options.of === "string" ?