diff --git a/src/grids/css/grids-r.css b/src/grids/css/grids-r.css
index abccefd..6294068 100644
--- a/src/grids/css/grids-r.css
+++ b/src/grids/css/grids-r.css
@@ -17,6 +17,7 @@
 
 .pure-g-r img {
     max-width: 100%;
+    height: auto;
 }
 
 @media (min-width: 980px) {