diff --git a/core-icon.css b/core-icon.css
index 1c4fbd0..823269e 100644
--- a/core-icon.css
+++ b/core-icon.css
@@ -7,6 +7,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
 
 :host {
   display: inline-block;
+  vertical-align: middle;
   cursor: pointer;
   background-repeat: no-repeat;
 }