diff --git a/res/web_modules/nine-bootstrap/nine-bootstrap.scss b/res/web_modules/nine-bootstrap/nine-bootstrap.scss
index d5373312..962b5e5b 100644
--- a/res/web_modules/nine-bootstrap/nine-bootstrap.scss
+++ b/res/web_modules/nine-bootstrap/nine-bootstrap.scss
@@ -943,6 +943,12 @@ fieldset[disabled] .btn {
   color: #a6a6a6;
 }
 
+.btn.disabled:hover,
+.btn[disabled]:hover,
+fieldset[disabled] .btn:hover {
+  background: transparent;
+}
+
 .checkbox, .radio {
   padding-left: 20px;
 }