diff --git a/core/css/jquery.ocdialog.css b/core/css/jquery.ocdialog.css
index 236968e3245b68e3ad7ba9138ec18c51aeac5be4..a1221137bc447da3394c3140d763f3ea35574dd7 100644
--- a/core/css/jquery.ocdialog.css
+++ b/core/css/jquery.ocdialog.css
@@ -43,7 +43,7 @@
 	background-color: #000;
 	opacity: .20;filter:Alpha(Opacity=20);
 	z-index: 999;
-	position: absolute;
+	position: fixed;
 	top: 0; left: 0;
 	width: 100%; height: 100%;
 }