diff --git a/core/src/components/cat-checkbox/cat-checkbox.scss b/core/src/components/cat-checkbox/cat-checkbox.scss
index b42d3bae8..1060815a8 100644
--- a/core/src/components/cat-checkbox/cat-checkbox.scss
+++ b/core/src/components/cat-checkbox/cat-checkbox.scss
@@ -63,6 +63,7 @@ input {
     background-color cat-token('time.transition.s') ease,
     border-color cat-token('time.transition.s') ease;
   pointer-events: none;
+  box-sizing: border-box;
 
   svg {
     fill: none;