diff --git a/wp-admin/includes/image-edit.php b/wp-admin/includes/image-edit.php
index 5417eac45e..7f9ebf7f9f 100644
--- a/wp-admin/includes/image-edit.php
+++ b/wp-admin/includes/image-edit.php
@@ -826,9 +826,10 @@ function wp_restore_image( $post_id ) {
 				}
 			} elseif ( isset( $meta['width'], $meta['height'] ) ) {
 				$backup_sizes[ "full-$suffix" ] = array(
-					'width'  => $meta['width'],
-					'height' => $meta['height'],
-					'file'   => $parts['basename'],
+					'width'    => $meta['width'],
+					'height'   => $meta['height'],
+					'filesize' => $meta['filesize'],
+					'file'     => $parts['basename'],
 				);
 			}
 		}
@@ -839,6 +840,14 @@ function wp_restore_image( $post_id ) {
 		$meta['file']   = _wp_relative_upload_path( $restored_file );
 		$meta['width']  = $data['width'];
 		$meta['height'] = $data['height'];
+		if ( isset( $data['filesize'] ) ) {
+			/*
+			 * Restore the original filesize if it was backed up.
+			 *
+			 * See https://core.trac.wordpress.org/ticket/59684.
+			 */
+			$meta['filesize'] = $data['filesize'];
+		}
 	}
 
 	foreach ( $default_sizes as $default_size ) {
@@ -997,8 +1006,9 @@ function wp_save_image( $post_id ) {
 		}
 	}
 
+	$saved_image = wp_save_image_file( $new_path, $img, $post->post_mime_type, $post_id );
 	// Save the full-size file, also needed to create sub-sizes.
-	if ( ! wp_save_image_file( $new_path, $img, $post->post_mime_type, $post_id ) ) {
+	if ( ! $saved_image ) {
 		$return->error = esc_js( __( 'Unable to save the image.' ) );
 		return $return;
 	}
@@ -1018,9 +1028,10 @@ function wp_save_image( $post_id ) {
 
 		if ( $tag ) {
 			$backup_sizes[ $tag ] = array(
-				'width'  => $meta['width'],
-				'height' => $meta['height'],
-				'file'   => $basename,
+				'width'    => $meta['width'],
+				'height'   => $meta['height'],
+				'filesize' => $meta['filesize'],
+				'file'     => $basename,
 			);
 		}
 
@@ -1028,9 +1039,10 @@ function wp_save_image( $post_id ) {
 
 		$meta['file'] = _wp_relative_upload_path( $new_path );
 
-		$size           = $img->get_size();
-		$meta['width']  = $size['width'];
-		$meta['height'] = $size['height'];
+		$size             = $img->get_size();
+		$meta['width']    = $size['width'];
+		$meta['height']   = $size['height'];
+		$meta['filesize'] = $saved_image['filesize'];
 
 		if ( $success && ( 'nothumb' === $target || 'all' === $target ) ) {
 			$sizes = get_intermediate_image_sizes();
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 28a65b5852..49df52e28e 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.7-beta2-59201';
+$wp_version = '6.7-beta2-59202';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.