diff --git a/includes/functions/comments/_comments_threads.php b/includes/functions/comments/_comments_threads.php
index 694705ae..a6782d4b 100644
--- a/includes/functions/comments/_comments_threads.php
+++ b/includes/functions/comments/_comments_threads.php
@@ -102,7 +102,7 @@ if ( ! function_exists( 'fictioneer_comment_header' ) ) {
         <?php echo
           sprintf(
             __( '<span class="fictioneer-comments__total">%1$s</span> <span>%2$s</span>' ),
-            $comment_count,
+            number_format_i18n( $comment_count ),
             _n( 'Comment', 'Comments', $comment_count, 'fictioneer' )
           )
         ?>
diff --git a/includes/functions/hooks/_story_hooks.php b/includes/functions/hooks/_story_hooks.php
index b8e24a10..377db461 100644
--- a/includes/functions/hooks/_story_hooks.php
+++ b/includes/functions/hooks/_story_hooks.php
@@ -805,7 +805,7 @@ function fictioneer_story_comments( $args ) {
             $story['comment_count'],
             'fictioneer'
           ),
-          $story['comment_count']
+          number_format_i18n( $story['comment_count'] )
         );
       ?></h2>
     <?php endif; ?>