diff --git a/less/thumbnails.less b/less/thumbnails.less
index 43e7d1d26b..11aa283a0e 100644
--- a/less/thumbnails.less
+++ b/less/thumbnails.less
@@ -14,7 +14,8 @@
   border-radius: @thumbnail-border-radius;
   .transition(all .2s ease-in-out);
 
-  > img {
+  > img,
+  a > img {
     .img-responsive();
     margin-left: auto;
     margin-right: auto;