diff --git a/extensions/image-preview/media/main.css b/extensions/image-preview/media/main.css
index 913d2b467263a..0f50cef683c3e 100644
--- a/extensions/image-preview/media/main.css
+++ b/extensions/image-preview/media/main.css
@@ -4,8 +4,8 @@
  *--------------------------------------------------------------------------------------------*/
 
 html, body {
+	width: 100%;
 	height: 100%;
-	max-height: 100%;
 	text-align: center;
 }