diff --git a/src/wp-includes/post.php b/src/wp-includes/post.php
index 55a09aefa9..c306d67baf 100644
--- a/src/wp-includes/post.php
+++ b/src/wp-includes/post.php
@@ -311,9 +311,12 @@ function get_children($args = '', $output = OBJECT) {
 
 	$children = get_posts( $r );
 
-	if ( !$children )
+	if ( ! $children )
 		return $kids;
 
+	if ( ! empty( $r['fields'] ) )
+		return $children;
+
 	update_post_cache($children);
 
 	foreach ( $children as $key => $child )
diff --git a/tests/tests/post/getPages.php b/tests/tests/post/getPages.php
index 7d7c5cea07..8b660252e1 100644
--- a/tests/tests/post/getPages.php
+++ b/tests/tests/post/getPages.php
@@ -117,4 +117,15 @@ class Tests_Post_getPages extends WP_UnitTestCase {
 
 		$this->assertEquals( 5, count( $matches[0] ) );
 	}
+
+	/**
+	 * @ticket 22208
+	 */
+	function test_get_chidren_fields_ids() {
+		$post_id = $this->factory->post->create();
+		$child_ids = $this->factory->post->create_many( 5, array( 'post_parent' => $post_id ) );
+
+		$post_ids = get_children( array( 'fields' => 'ids', 'post_parent' => $post_id ) );
+		$this->assertEqualSets( $child_ids, $post_ids );
+	}
 }
\ No newline at end of file