diff --git a/modules/system/assets/ui/less/checkbox.less b/modules/system/assets/ui/less/checkbox.less
index d9e9c2bf3..f186888f3 100644
--- a/modules/system/assets/ui/less/checkbox.less
+++ b/modules/system/assets/ui/less/checkbox.less
@@ -282,7 +282,6 @@
         span {
             z-index: @zindex-checkbox;
             display: block;
-            width: 50%;
             position: absolute;
             top: 2px;
             left: -1px;