diff --git a/utils.py b/utils.py
index ece1304..9fe95ba 100644
--- a/utils.py
+++ b/utils.py
@@ -181,7 +181,7 @@ activity_table_html_template = """
         <script src="/js/json2htmltable.js"></script>
          <script type="text/javascript">
             window.onload = () => {
-                document.body.appendChild(buildHtmlTable(JSON.parse({items})));  // build table
+                document.body.appendChild(buildHtmlTable({items}));  // build table
 
                 var table = document.querySelector("body > table")
                 var header = table.rows[0]
diff --git a/web.py b/web.py
index 13e94ea..9e66ad9 100644
--- a/web.py
+++ b/web.py
@@ -61,7 +61,7 @@ class ActivityHtml:
         table_in_json: str = resp.text
         resp.content_type = falcon.MEDIA_HTML
 
-        resp.text = utils.activity_table_html_template.replace('{items}', json.dumps(table_in_json))
+        resp.text = utils.activity_table_html_template.replace('{items}', table_in_json)
         # what? f-strings? .format? never heard about them
 
 
@@ -85,7 +85,7 @@ class ActivityDiffHtml:
         resp.content_type = falcon.MEDIA_HTML
         # table: str = json.dumps(model.get_diff_action_id(action_id))
         resp.text = utils.activity_table_html_template.replace(
-            '{items}', json.dumps(json.dumps(model.get_diff_action_id(action_id)))
+            '{items}', json.dumps(model.get_diff_action_id(action_id))
         )