diff --git a/phpBB/styles/prosilver/theme/bidi.css b/phpBB/styles/prosilver/theme/bidi.css
index 1d08fb22bf..8cf8802e27 100644
--- a/phpBB/styles/prosilver/theme/bidi.css
+++ b/phpBB/styles/prosilver/theme/bidi.css
@@ -73,7 +73,7 @@
 }
 
 .rtl ul.leftside li, .rtl ul.rightside li {
-	float: left;
+	float: right;
 }
 
 .rtl ul.leftside {