diff --git a/src/lib/radio/radio.scss b/src/lib/radio/radio.scss
index b8f60ac2941..fb7e5a9e9f8 100644
--- a/src/lib/radio/radio.scss
+++ b/src/lib/radio/radio.scss
@@ -153,7 +153,7 @@ $mat-radio-ripple-radius: 20px;
     opacity: 0.04;
   }
 
-  .mat-radio-button:not(.mat-radio-disabled).cdk-focused & {
+  .mat-radio-button:not(.mat-radio-disabled).cdk-keyboard-focused & {
     opacity: 0.12;
   }