diff --git a/public/js/app.js b/public/js/app.js
index a7caec8..8a01cc1 100644
--- a/public/js/app.js
+++ b/public/js/app.js
@@ -92,7 +92,11 @@ function showImage(id)
 
 		photos = [];
 		point.images.forEach(function(entry) {
-			photos.push({img: '/photos/middle/'+entry, thumb: '/photos/small/'+entry});
+			if (window.devicePixelRatio > 1) {
+				photos.push({img: '/photos/big/'+entry, thumb: '/photos/small/'+entry});
+			} else {
+				photos.push({img: '/photos/middle/'+entry, thumb: '/photos/small/'+entry});
+			}
 		});
 
 		$('.fotorama').fotorama({data: photos});