diff --git a/run.php b/run.php
index 40c6e2f..ebdeabe 100644
--- a/run.php
+++ b/run.php
@@ -36,7 +36,7 @@ foreach ($titles as $title) {
     }
 
     $sanitize_title = strtolower($title);
-    $sanitize_title = str_replace(' ', '-', $sanitize_title);
+    $sanitize_title = str_replace([' ', ','], ['-'], $sanitize_title);
     $sanitize_title .= '.gmi';
 
     $output_path = $gemlog_output_path . '/' . $sanitize_title;