diff --git a/web/styles/recent_topics.css b/web/styles/recent_topics.css
index f68ecf4022..4597da7dc6 100644
--- a/web/styles/recent_topics.css
+++ b/web/styles/recent_topics.css
@@ -21,7 +21,7 @@
          * window. This makes the border span
          * fully to bottom in that case.
          */
-        min-height: 100vw;
+        min-height: 100vh;
 
         & td {
             vertical-align: middle;