diff --git a/wp-includes/media.php b/wp-includes/media.php
index 68ac031298..55a8ad3704 100644
--- a/wp-includes/media.php
+++ b/wp-includes/media.php
@@ -1623,7 +1623,7 @@ function img_caption_shortcode( $attr, $content = null ) {
 			esc_attr( $class ),
 			str_replace( '<img ', '<img ' . $describedby, do_shortcode( $content ) ),
 			sprintf(
-				'<p id="%s" class="wp-caption-text">%s</p>',
+				'<p %sclass="wp-caption-text">%s</p>',
 				$atts['caption_id'],
 				$atts['caption']
 			)
diff --git a/wp-includes/version.php b/wp-includes/version.php
index f1e9143a51..b08cf71018 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.0-alpha-42693';
+$wp_version = '5.0-alpha-42694';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.