diff --git a/media/js/jquery.dataTables.js b/media/js/jquery.dataTables.js
index 0c8b6280..69d7220a 100644
--- a/media/js/jquery.dataTables.js
+++ b/media/js/jquery.dataTables.js
@@ -4500,7 +4500,7 @@
 		 * Purpose:  Set the sortting classes on the header
 		 * Returns:  -
 		 * Inputs:   object:oSettings - dataTables settings object
-		 * Notes:    It is safe to call this function when bSort is false
+		 * Notes:    It is safe to call this function when bSort and bSortClasses are false
 		 */
 		function _fnSortingClasses( oSettings )
 		{
@@ -6660,6 +6660,11 @@
 					}
 				}
 			}
+				
+			/* Do a first pass on the sorting classes (allows any size changes to be taken into
+			 * account, and also will apply sorting disabled classes if disabled
+			 */
+			_fnSortingClasses( oSettings );
 			
 			/*
 			 * Final init
diff --git a/media/unit_testing/tests_onhold/1_dom/bSort.js b/media/unit_testing/tests_onhold/1_dom/bSort.js
index 6ca81167..ecaf168e 100755
--- a/media/unit_testing/tests_onhold/1_dom/bSort.js
+++ b/media/unit_testing/tests_onhold/1_dom/bSort.js
@@ -65,6 +65,12 @@ $(document).ready( function () {
 		function () { return $('#example tbody td:eq(3)').html() == "4"; }
 	);
 	
+	oTest.fnTest(
+		"Disabled classes applied",
+		null,
+		function () { return $('#example thead th:eq(0)').hasClass('sorting_disabled'); }
+	);
+	
 	oTest.fnTest(
 		"Click on second column has no effect",
 		function () { $('#example thead th:eq(1)').click(); },