diff --git a/less/mixins.less b/less/mixins.less
index bd909123ef..44e5698eb0 100644
--- a/less/mixins.less
+++ b/less/mixins.less
@@ -317,6 +317,7 @@
   -webkit-hyphens: @mode;
      -moz-hyphens: @mode;
       -ms-hyphens: @mode;
+       -o-hyphens: @mode;
           hyphens: @mode;
         word-wrap: break-word;
 }