diff --git a/src/components/checkbox/checkbox.scss b/src/components/checkbox/checkbox.scss
index 485cd38a1905..37e40353b416 100644
--- a/src/components/checkbox/checkbox.scss
+++ b/src/components/checkbox/checkbox.scss
@@ -298,7 +298,7 @@ $_md-checkbox-indeterminate-checked-easing-function: cubic-bezier(0.14, 0, 0, 1)
   @extend %md-checkbox-mark;
 
   background-color: $md-checkbox-mark-color;
-  height: $md-checkbox-mark-stroke-size;
+  height: floor($md-checkbox-mark-stroke-size);
   opacity: 0;
   transform: scaleX(0) rotate(0deg);
 }