diff --git a/tt-rss.css b/tt-rss.css
index ba017f1d6..3dfe3bef7 100644
--- a/tt-rss.css
+++ b/tt-rss.css
@@ -999,6 +999,10 @@ body#ttrssZoom div.footer {
 	text-align : center;
 }
 
+body#ttrssZoom div.postContent img {
+	max-width : 650px;
+}
+
 select.attachments {
 	display : block;
 	margin-top : 10px;