diff --git a/scss/mixins/_grid.scss b/scss/mixins/_grid.scss
index 94b8295835e255606307c5fdd5abaf45e46afa7e..e48e3db5dbd56f6f003fe7c7a017a23b57e7df5d 100644
--- a/scss/mixins/_grid.scss
+++ b/scss/mixins/_grid.scss
@@ -46,6 +46,7 @@
 @mixin make-col-span($size, $columns: $grid-columns) {
   @if $enable-flex {
     flex: 0 0 percentage($size / $columns);
+    max-width: percentage($size / $columns);
   } @else {
     width: percentage($size / $columns);
   }