diff --git a/assets/stylesheets/bootstrap/_glyphicons.scss b/assets/stylesheets/bootstrap/_glyphicons.scss
index bd5966dd2..f4aab0fee 100644
--- a/assets/stylesheets/bootstrap/_glyphicons.scss
+++ b/assets/stylesheets/bootstrap/_glyphicons.scss
@@ -17,6 +17,7 @@
          url(if($bootstrap-sass-asset-helper, twbs-font-path("#{$icon-font-path}#{$icon-font-name}.woff"), "#{$icon-font-path}#{$icon-font-name}.woff")) format("woff"),
          url(if($bootstrap-sass-asset-helper, twbs-font-path("#{$icon-font-path}#{$icon-font-name}.ttf"), "#{$icon-font-path}#{$icon-font-name}.ttf")) format("truetype"),
          url(if($bootstrap-sass-asset-helper, twbs-font-path("#{$icon-font-path}#{$icon-font-name}.svg##{$icon-font-svg-id}"), "#{$icon-font-path}#{$icon-font-name}.svg##{$icon-font-svg-id}")) format("svg");
+    font-display: swap;
   }
 }