diff --git a/phpBB/styles/prosilver/theme/bidi.css b/phpBB/styles/prosilver/theme/bidi.css
index f3468ebcf2..47d4823fdb 100644
--- a/phpBB/styles/prosilver/theme/bidi.css
+++ b/phpBB/styles/prosilver/theme/bidi.css
@@ -88,7 +88,7 @@
/* Dropdown menu
---------------------------------------- */
-.rtl .dropdown-container.topic-tools {
+.rtl .dropdown-container.topic-tools, .rtl .dropdown-container-left {
float: right;
}
@@ -114,12 +114,12 @@
text-align: right;
}
-.rtl .dropdown-extended .header .header_settings {
+.rtl .dropdown-extended .header .header_settings, .rtl .dropdown-container-right {
float: left;
}
/* Notifications
-----------------------------------------*/
+-----------------------------------------*/
.rtl .notification_list ul li img {
float: right;
margin-left: 5px;