diff --git a/packages/@vuepress/core/lib/app/components/OutboundLink.vue b/packages/@vuepress/core/lib/app/components/OutboundLink.vue
index a3aa7f2d62..0f99b6bb52 100644
--- a/packages/@vuepress/core/lib/app/components/OutboundLink.vue
+++ b/packages/@vuepress/core/lib/app/components/OutboundLink.vue
@@ -9,4 +9,5 @@
 .icon.outbound
   color #aaa
   display inline-block
+  vertical-align text-bottom
 </style>