diff --git a/packages/block-library/src/footnotes/index.php b/packages/block-library/src/footnotes/index.php
index b7be0542d7a0f..e4bd8dcdeaac2 100644
--- a/packages/block-library/src/footnotes/index.php
+++ b/packages/block-library/src/footnotes/index.php
@@ -59,15 +59,17 @@ function render_block_core_footnotes( $attributes, $content, $block ) {
  * Registers the `core/footnotes` block on the server.
  */
 function register_block_core_footnotes() {
-	register_post_meta(
-		'post',
-		'footnotes',
-		array(
-			'show_in_rest' => true,
-			'single'       => true,
-			'type'         => 'string',
-		)
-	);
+	foreach ( array( 'post', 'page' ) as $post_type ) {
+		register_post_meta(
+			$post_type,
+			'footnotes',
+			array(
+				'show_in_rest' => true,
+				'single'       => true,
+				'type'         => 'string',
+			)
+		);
+	}
 	register_block_type_from_metadata(
 		__DIR__ . '/footnotes',
 		array(