--- a/toolkit/content/widgets/videocontrols.css
+++ b/toolkit/content/widgets/videocontrols.css
@@ -33,16 +33,20 @@
 .controlsSpacer[hideCursor] {
   cursor: none;
 }
 
 .controlsOverlay[scaled] {
   -moz-box-align: center;
 }
 
+.errorLabel:-moz-locale-dir(rtl) {
+  direction: rtl;
+} 
+
 /* CSS Transitions
  *
  * These are overriden by the default theme; the rules here just 
  * provide a fallback to drive the required transitionend event
  * (in case a 3rd party theme does not provide transitions).
  */
 .controlBar:not([immediate]) {
   transition-property: opacity;