diff --git a/changelog.txt b/changelog.txt
index b3dab01d..dc63215e 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -10,6 +10,7 @@ Add La Opinion de Zamora
 Add RedaktionsNetzwerk Deutschland
 Fix Alma Talent sites (js-ads)
 Fix Australia News Corp (amp)
+Fix Helsingin Sanomat (dynamic-json)
 Fix Madsack Mediengruppe
 Fix NzHerald
 
diff --git a/contentScript.js b/contentScript.js
index 99e63240..47982394 100644
--- a/contentScript.js
+++ b/contentScript.js
@@ -991,7 +991,7 @@ else if (matchDomain('hs.fi')) {
                 img.setAttribute('style', 'width:468px !important');
                 elem.appendChild(img);
                 caption = document.createElement('figcaption');
-                caption_text = slide.split('text:')[1].split(',"text-style"')[0];
+                caption_text = slide.includes('text:') ? slide.split('text:')[1].split(',"text-style"')[0] : slide.split('caption:')[1].split('",')[0];
                 if (caption_text.length)
                   caption_text = caption_text.slice(1, caption_text.length - 1);
                 par_html = parser.parseFromString('<div>' + DOMPurify.sanitize(caption_text) + '</div>', 'text/html');