diff --git a/phpBB/styles/prosilver/theme/bidi.css b/phpBB/styles/prosilver/theme/bidi.css
index a921805327..41a9874a18 100644
--- a/phpBB/styles/prosilver/theme/bidi.css
+++ b/phpBB/styles/prosilver/theme/bidi.css
@@ -371,6 +371,13 @@
 	float: right;
 }
 
+.rtl p.post-notice:before {
+	left: auto;
+	right: 0;
+	padding-left: 5px;
+	padding-right: 26px;
+}
+
 /* Topic review panel
 ----------------------------------------*/
 .rtl #topicreview {