diff --git a/src/lib/button/_button-base.scss b/src/lib/button/_button-base.scss
index 4d2b54dbddb1..e84e29badba9 100644
--- a/src/lib/button/_button-base.scss
+++ b/src/lib/button/_button-base.scss
@@ -34,6 +34,7 @@ $mat-mini-fab-padding: 8px !default;
 // Applies base styles to all button types.
 @mixin mat-button-base {
   box-sizing: border-box;
+  overflow: hidden;
   position: relative;
 
   // Reset browser <button> styles.