diff --git a/src/components/checkbox/_checkbox.scss b/src/components/checkbox/_checkbox.scss
index ccf7b54a9423..ee54a43b0d6c 100644
--- a/src/components/checkbox/_checkbox.scss
+++ b/src/components/checkbox/_checkbox.scss
@@ -39,6 +39,7 @@
     margin-right: 0.5rem;
     background-color: $ui-01;
     border: $checkbox-border-width solid $ui-05;
+    min-width: 18px;
   }
 
   .bx--checkbox:checked + .bx--checkbox-appearance,