diff --git a/src/lib/button/_button-base.scss b/src/lib/button/_button-base.scss
index e3606174d34b..0ccbdfa7d3b5 100644
--- a/src/lib/button/_button-base.scss
+++ b/src/lib/button/_button-base.scss
@@ -28,6 +28,7 @@ $mat-mini-fab-padding: 8px !default;
 // Applies base styles to all button types.
 %mat-button-base {
   box-sizing: border-box;
+  overflow: hidden;
   position: relative;
 
   // Reset browser <button> styles.