diff --git a/src/components/radios/_radio.scss b/src/components/radios/_radio.scss
index 7f8f6ed0d6..da8bd46ab3 100644
--- a/src/components/radios/_radio.scss
+++ b/src/components/radios/_radio.scss
@@ -9,13 +9,15 @@
     box-shadow: inset 0 0 0 3px var(--ons-color-input-bg);
 
     &::after {
-      border-color: var(--ons-color-input-border);
+      background-color: var(--ons-color-input-border);
       border-radius: 50%;
-      border-width: 6px;
-      height: 0;
-      left: 3px;
-      top: 3px;
-      width: 0;
+      border-width: 0;
+      height: 12px;
+      left: 50%;
+      margin-left: -6px;
+      margin-top: -6px;
+      top: 50%;
+      width: 12px;
     }
   }