diff --git a/src/lib/checkbox/checkbox.scss b/src/lib/checkbox/checkbox.scss
index bc37ff2d669c..b1cb567b1869 100644
--- a/src/lib/checkbox/checkbox.scss
+++ b/src/lib/checkbox/checkbox.scss
@@ -266,7 +266,7 @@ $_mat-checkbox-mark-stroke-size: 2 / 15 * $mat-checkbox-size !default;
     opacity: 0.04;
   }
 
-  .mat-checkbox.cdk-focused & {
+  .mat-checkbox.cdk-keyboard-focused & {
     opacity: 0.12;
   }