diff --git a/templates/page.xhtml.jinja2 b/templates/page.xhtml.jinja2
index 3fada95..5c107d1 100644
--- a/templates/page.xhtml.jinja2
+++ b/templates/page.xhtml.jinja2
@@ -23,7 +23,7 @@
 <body epub:type="bodymatter">
 <div>
     <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="100%"
-         height="100%" viewBox="0 0 {{ width }} {{ height }}" preserveAspectRatio="none">
+         height="100%" viewBox="0 0 {{ width }} {{ height }}" preserveAspectRatio="xMidYMid meet">
         <image width="{{ width }}" height="{{ height }}" xlink:href="../images/{{ filename }}"/>
     </svg>
 </div>
