diff --git a/src/lib/button-toggle/button-toggle.scss b/src/lib/button-toggle/button-toggle.scss
index 0ce0a4f18ee8..d77f94181edc 100644
--- a/src/lib/button-toggle/button-toggle.scss
+++ b/src/lib/button-toggle/button-toggle.scss
@@ -18,6 +18,7 @@ $mat-button-toggle-border-radius: 2px !default;
 
   cursor: pointer;
   white-space: nowrap;
+  overflow: hidden;
 }
 
 .mat-button-toggle-vertical {