diff --git a/theme/formal_white/style/settings.css b/theme/formal_white/style/settings.css
index c3ea7d1af0a..7f7e1a28716 100644
--- a/theme/formal_white/style/settings.css
+++ b/theme/formal_white/style/settings.css
@@ -1,5 +1,5 @@
 .block .content {background-color:[[setting:backgroundcolor]];}
-#page-content #region-main-box {left:[[setting:regionwidthplus10]];}
+#page-content #region-main-box {left:[[setting:regionwidth]];}
 #page-content #region-post-box {margin-left:-[[setting:regionwidthdouble]];}
 #page-content #region-pre {width:[[setting:regionwidth]];left:[[setting:regionwidth]];}
 #page-content #region-post {width:[[setting:regionwidth]];}