diff --git a/packages/radio-group/src/vaadin-radio-button.js b/packages/radio-group/src/vaadin-radio-button.js
index ac5a45a914..bd236c3fb8 100644
--- a/packages/radio-group/src/vaadin-radio-button.js
+++ b/packages/radio-group/src/vaadin-radio-button.js
@@ -121,6 +121,8 @@ class RadioButton extends LabelMixin(
           margin: 0;
           align-self: stretch;
           -webkit-appearance: none;
+          width: initial;
+          height: initial;
         }
 
         @media (forced-colors: active) {