diff --git a/frontend/less/espo/custom.less b/frontend/less/espo/custom.less
index 09f160345e..84cc84760c 100644
--- a/frontend/less/espo/custom.less
+++ b/frontend/less/espo/custom.less
@@ -1836,7 +1836,7 @@ label.attach-file-label {
     display: inline-block;
     top: 7px;
     left: 27px;
-    background-color: @brand-warning;
+    background-color: var(--brand-danger);
     color: @white-color;
 }