diff --git a/packages/theme-chalk/src/avatar.scss b/packages/theme-chalk/src/avatar.scss
index 236023537c..d5ed1eb743 100644
--- a/packages/theme-chalk/src/avatar.scss
+++ b/packages/theme-chalk/src/avatar.scss
@@ -16,6 +16,7 @@
   >img {
     display: block;
     height: 100%;
+    vertical-align: middle;
   }
 
   @include m(circle) {