diff --git a/theme/base/style/core.css b/theme/base/style/core.css
index 20770beb58a..3f9bb47f296 100644
--- a/theme/base/style/core.css
+++ b/theme/base/style/core.css
@@ -105,7 +105,8 @@ form.popupform div {display: inline;}
  * Accessibility features
  */
 /*Accessibility: text 'seen' by screen readers but not visual users. */
-.accesshide {position:absolute;top:-100000px;left:10px;font-weight:normal;font-size:1em;}
+.accesshide {position:absolute;left:-10000px;font-weight:normal;font-size:1em;}
+.dir-rtl .accesshide {right:-10000px;left:auto;}
 span.hide,
 div.hide {display:none;}
 .invisiblefieldset {display:inline;border-width:0;padding:0;margin:0;}