diff --git a/app/javascript/styles/mastodon/forms.scss b/app/javascript/styles/mastodon/forms.scss
index d3fdf2fb21..5791b4fc00 100644
--- a/app/javascript/styles/mastodon/forms.scss
+++ b/app/javascript/styles/mastodon/forms.scss
@@ -500,6 +500,8 @@ code {
 
     input[type='radio'] {
       accent-color: var(--color-text-brand);
+      width: 15px;
+      height: 15px;
     }
   }
 
@@ -533,6 +535,8 @@ code {
   label.checkbox {
     input[type='checkbox'] {
       accent-color: var(--color-text-brand);
+      width: 15px;
+      height: 15px;
     }
   }