diff --git a/themes/leuchttuerm/layouts/leuchtturm/single.html b/themes/leuchttuerm/layouts/leuchtturm/single.html
index 87dc410..44834cf 100644
--- a/themes/leuchttuerm/layouts/leuchtturm/single.html
+++ b/themes/leuchttuerm/layouts/leuchtturm/single.html
@@ -17,7 +17,7 @@ crossorigin=""/>
             </div>
         </div>
     </div>
-    <img src="{{ .Params.mainImage }}" style="max-height: 80pc;">
+    <img src="{{ .Params.mainImage }}" style="max-height: 80pc; max-width: 100%;">
 <div class="container" style="margin-top:30px;">
     <div class="row">
         <div class="col-md-8">