diff --git a/theme/base/style/core.css b/theme/base/style/core.css
index ce835c1650d..21dd107a0f4 100644
--- a/theme/base/style/core.css
+++ b/theme/base/style/core.css
@@ -892,6 +892,9 @@ sup {vertical-align: super;}
     -webkit-box-shadow: inset 0px 0px 30px 0px #CCCCCC;
     -moz-box-shadow: inset 0px 0px 30px 0px #CCCCCC;
 }
+.dir-rtl.jsenabled .choosercontainer #chooseform .alloptions {
+    max-width: 18.3em;
+}
 
 /* Settings for option rows and option subtypes */
 .choosercontainer #chooseform .moduletypetitle,