diff --git a/phpBB/adm/style/admin.css b/phpBB/adm/style/admin.css
index 8e924b1266..380cf9f3f5 100644
--- a/phpBB/adm/style/admin.css
+++ b/phpBB/adm/style/admin.css
@@ -191,7 +191,7 @@ a:active {
 	height: 350px; 
 }
 
-.simple-page-body {
+#page-body.simple-page-body {
 	padding: 0;
 	padding-right: 10px;
 	min-width: 0;