Index: /CKEditor/branches/versions/3.2.x/_source/plugins/dialog/plugin.js
===================================================================
--- /CKEditor/branches/versions/3.2.x/_source/plugins/dialog/plugin.js	(revision 5138)
+++ /CKEditor/branches/versions/3.2.x/_source/plugins/dialog/plugin.js	(revision 5139)
@@ -887,12 +887,11 @@
 						' tabIndex="-1"',
 						' hidefocus="true"',
-						' aria-labelledby="', tabId, '_arialbl"',
 						' role="tab">',
-							'<span id="', tabId, '_arialbl">',
-								contents.label,
-							'</span>',
+							contents.label,
 					'</a>'
 				].join( '' ) );
-			
+
+			page.setAttribute( 'aria-labelledby', tabId ); 
+
 			// If only a single page exist, a different style is used in the central pane.
 			if ( this._.pageCount === 0 )
