diff --git a/src/wp-includes/post-template.php b/src/wp-includes/post-template.php
index 86ea3eca58271..c6c8cbe7e9703 100644
--- a/src/wp-includes/post-template.php
+++ b/src/wp-includes/post-template.php
@@ -1288,7 +1288,7 @@ function wp_dropdown_pages( $args = '' ) {
  *                                           the given n depth). Default 0.
  *     @type bool              $echo         Whether or not to echo the list of pages. Default true.
  *     @type string            $exclude      Comma-separated list of page IDs to exclude. Default empty.
- *     @type array             $include      Comma-separated list of page IDs to include. Default empty.
+ *     @type int[]|string      $include      Array or comma-separated list of page IDs to include. Default empty array.
  *     @type string            $link_after   Text or HTML to follow the page link label. Default null.
  *     @type string            $link_before  Text or HTML to precede the page link label. Default null.
  *     @type string            $post_type    Post type to query for. Default 'page'.
diff --git a/tests/phpunit/tests/post/wpListPages.php b/tests/phpunit/tests/post/wpListPages.php
index f059591219b1a..123356de7b7e8 100644
--- a/tests/phpunit/tests/post/wpListPages.php
+++ b/tests/phpunit/tests/post/wpListPages.php
@@ -437,6 +437,22 @@ public function test_wp_list_pages_include() {
 		$this->assertSameIgnoreEOL( $expected, wp_list_pages( $args ) );
 	}
 
+	/**
+	 * @ticket 66052
+	 */
+	public function test_wp_list_pages_include_accepts_array_of_ids() {
+		$args = array(
+			'echo'    => false,
+			'include' => array( self::$parent_1, self::$parent_3 ),
+		);
+
+		$expected = '<li class="pagenav">Pages<ul><li class="page_item page-item-' . self::$parent_1 . '"><a href="' . get_permalink( self::$parent_1 ) . '">Parent 1</a></li>
+<li class="page_item page-item-' . self::$parent_3 . '"><a href="' . get_permalink( self::$parent_3 ) . '">Parent 3</a></li>
+</ul></li>';
+
+		$this->assertSameIgnoreEOL( $expected, wp_list_pages( $args ) );
+	}
+
 	public function test_wp_list_pages_exclude_tree() {
 		$args = array(
 			'echo'         => false,