diff --git a/src/themes/basic/_layout.styl b/src/themes/basic/_layout.styl
index 3d6d5c33b..15b6464fb 100644
--- a/src/themes/basic/_layout.styl
+++ b/src/themes/basic/_layout.styl
@@ -417,6 +417,7 @@ body.close
 
   main
     height auto
+    min-height 100vh
     overflow-x hidden
 
   .sidebar