diff --git a/dashboard_template.xhtml b/dashboard_template.xhtml
index 5256a41..0939b64 100644
--- a/dashboard_template.xhtml
+++ b/dashboard_template.xhtml
@@ -176,8 +176,8 @@
 			{% for fig in figures %}
 			<figure>
 				<picture>
-					<source srcset="{{ fig['filename']}}.svg" alt="{{ fig['caption']}}" />
-					<img src="{{ fig['filename'] }}.png" alt="{{ fig['caption'] }}" />
+					<source type="image/svg+xml" srcset="{{ fig['filename']}}.svg" alt="{{ fig['caption']}}" />
+					<img type="image/png" src="{{ fig['filename'] }}.png" alt="{{ fig['caption'] }}" />
 				</picture>
 				<figcaption>
 					<a name="figure-{{ '{:03d}'.format(fig['index']) }}"><span class="ref">Abbildung {{ fig['index'] }}:</span></a>