diff --git a/resources/css/ext.uls.dialog.less b/resources/css/ext.uls.dialog.less
index 2117dc48..de183b3a 100644
--- a/resources/css/ext.uls.dialog.less
+++ b/resources/css/ext.uls.dialog.less
@@ -1,7 +1,7 @@
 @uls-dialog-width: 480px;
 
 .uls-dialog {
-	position: absolute;
+	position: fixed;
 	z-index: 500;
 	display: none;
 	background-color: #fff;
@@ -31,7 +31,7 @@
 	opacity: 0.87;
 	display: none;
 	z-index: 300;
-	position: absolute;
+	position: fixed;
 	top: 0;
 }