Index: src/wp-admin/css/wp-admin.css
===================================================================
--- src/wp-admin/css/wp-admin.css	(revision 26902)
+++ src/wp-admin/css/wp-admin.css	(working copy)
@@ -10080,6 +10080,12 @@
 	content:'\f459';
 }
 
+.rtl .star-rating .star-half {
+	-webkit-transform: rotateY(180deg);
+	-ms-transform:     rotateY(180deg);
+	transform:         rotateY(180deg);
+}
+
 .star-rating .star-empty:before {
 	content:'\f154';
 }