diff --git a/app/assets/stylesheets/zammad.scss b/app/assets/stylesheets/zammad.scss
index 80ae54dfd..4aa9f28c6 100644
--- a/app/assets/stylesheets/zammad.scss
+++ b/app/assets/stylesheets/zammad.scss
@@ -1098,16 +1098,6 @@ th.align-right {
       box-shadow: 0 0 0 2px hsl(201,62%,90%);
       color: hsl(200,71%,59%);
     }
-
-    &:indeterminate {
-      ~ .icon-checked,
-      ~ .icon-unchecked {
-        display: none;
-      }
-      ~ .icon-indeterminate {
-        display: block;
-      }
-    }
   }
 
   + .label-text {
@@ -1115,6 +1105,18 @@ th.align-right {
   }
 }
 
+.checkbox-replacement {
+  &:indeterminate {
+    ~ .icon-checked,
+    ~ .icon-unchecked {
+      display: none;
+    }
+    ~ .icon-indeterminate {
+      display: block;
+    }
+  }
+}
+
 .radio-replacement {
   input:focus ~ .icon-checked,
   input:focus ~ .icon-unchecked {