diff --git a/core/css/styles.css b/core/css/styles.css
index 3af1a3115854c3d2554d07c21e37673075f50246..3b2ffad1e4147681c992d7c2968e07e599bcb30a 100644
--- a/core/css/styles.css
+++ b/core/css/styles.css
@@ -673,6 +673,8 @@ div.crumb:active {
 	background-image: url('../img/loading.gif');
 	background-size: 16px;
 	/* force show the loading icon, not only on hover */
+	-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=100)";
+	filter:alpha(opacity=100);
 	opacity: 1 !important;
 	display: inline !important;
 }