--- date_popup.module	2010-10-11 09:40:37.584889338 -0400
+++ date_popup.module	2010-10-11 09:40:23.744887501 -0400
@@ -315,6 +315,7 @@ function date_popup_process_time(&$eleme
     '#id' => $id,
     '#size' => 10,
     '#maxlength' => 10,
+    '#disabled' => $element['#disabled'],
     );
   // Views exposed filters are treated as submitted even if not,
   // so force the #default value in that case.