diff --git a/400_xowa/src/gplx/xowa/Xoa_app_.java b/400_xowa/src/gplx/xowa/Xoa_app_.java
index 4d0aa5da9..df85f41a5 100644
--- a/400_xowa/src/gplx/xowa/Xoa_app_.java
+++ b/400_xowa/src/gplx/xowa/Xoa_app_.java
@@ -32,7 +32,7 @@ public class Xoa_app_ {
 		}
 	}
 	public static final String		Name			= "xowa";
-	public static final String		Version			= "3.9.4.6";
+	public static final String		Version			= "3.10.3.1";
 	public static String	Build_date		= "2012-12-30 00:00:00";
 	public static String	Op_sys_str;
 	public static String	User_agent		= "";
diff --git a/400_xowa/src/gplx/xowa/htmls/core/Xow_hdump_mgr__load.java b/400_xowa/src/gplx/xowa/htmls/core/Xow_hdump_mgr__load.java
index 2c7f1b840..ac23068b9 100644
--- a/400_xowa/src/gplx/xowa/htmls/core/Xow_hdump_mgr__load.java
+++ b/400_xowa/src/gplx/xowa/htmls/core/Xow_hdump_mgr__load.java
@@ -60,7 +60,7 @@ public class Xow_hdump_mgr__load {
 			Xoctg_pagebox_itm[] pagebox_itms = wiki.Ctg__pagebox_wtr().Get_catlinks_by_page(wiki, hpg);
 			if (pagebox_itms.length > 0) {
 				tmp_bfr.Add(src);					
-				boolean hidden_enabled = wiki.App().Api_root().Addon().Wikis__ctgs__hidden_enabled();
+				boolean hidden_enabled = wiki.App().Api_root() == null ? false : wiki.App().Api_root().Addon().Wikis__ctgs__hidden_enabled();	// HACK: handle drd which doesn't have api
 				wiki.Ctg__pagebox_wtr().Write_pagebox(hidden_enabled, tmp_bfr, wiki, hpg, pagebox_itms);
 				src = tmp_bfr.To_bry_and_clear();
 			}