diff --git a/400_xowa/src/gplx/xowa/xtns/scribunto/libs/Scrib_lib_wikibase_srl.java b/400_xowa/src/gplx/xowa/xtns/scribunto/libs/Scrib_lib_wikibase_srl.java
index cf002ba3a..600126d73 100644
--- a/400_xowa/src/gplx/xowa/xtns/scribunto/libs/Scrib_lib_wikibase_srl.java
+++ b/400_xowa/src/gplx/xowa/xtns/scribunto/libs/Scrib_lib_wikibase_srl.java
@@ -25,6 +25,12 @@ class Scrib_lib_wikibase_srl {
 			rv.Add(Keyval_.new_("id", qid));
 			rv.Add(Keyval_.new_("type", doc_is_qid ? Wbase_claim_entity_type_.Itm__item.Key_str() : Wbase_claim_entity_type_.Itm__property.Key_str()));	// type should be "property"; PAGE:ru.w:Викитека:Проект:Викиданные DATE:2016-11-23
 			rv.Add(Keyval_.new_("schemaVersion", base_adj + 1));	// NOTE: needed by mw.wikibase.lua
+
+			// for Property pages, add a "datatype" property PAGE:ru.w:Маргарян,_Андраник_Наапетович; wd:Property:P18; DATE:2017-03-27
+			if (!doc_is_qid) {
+				String pid_name = String_.new_u8(Bry_.Mid(qid, Wdata_wiki_mgr.Ns_property_name_bry.length + 1));// +1 for ":" in "Property:"
+				rv.Add(Keyval_.new_("datatype", prop_mgr.Get_or_null(pid_name)));
+			}
 		}
 		Srl_root(rv, Wdata_doc_parser_v2.Str_labels			, Srl_langtexts	(Wdata_dict_langtext.Itm__language.Key_str(), Wdata_dict_langtext.Itm__value.Key_str(), wdoc.Label_list()));
 		Srl_root(rv, Wdata_doc_parser_v2.Str_descriptions	, Srl_langtexts	(Wdata_dict_langtext.Itm__language.Key_str(), Wdata_dict_langtext.Itm__value.Key_str(), wdoc.Descr_list()));
diff --git a/400_xowa/src/gplx/xowa/xtns/scribunto/libs/Scrib_lib_wikibase_srl_tst.java b/400_xowa/src/gplx/xowa/xtns/scribunto/libs/Scrib_lib_wikibase_srl_tst.java
index 4f5bc9af2..83f5a54f7 100644
--- a/400_xowa/src/gplx/xowa/xtns/scribunto/libs/Scrib_lib_wikibase_srl_tst.java
+++ b/400_xowa/src/gplx/xowa/xtns/scribunto/libs/Scrib_lib_wikibase_srl_tst.java
@@ -387,12 +387,14 @@ public class Scrib_lib_wikibase_srl_tst {
 		);
 	}
 	@Test   public void Type_is_property() {	// PURPOSE: type should be "property"; PAGE:ru.w:Викитека:Проект:Викиданные DATE:2016-11-23
+		fxt.Wdata_fxt().Wdata_mgr().Prop_mgr().Loader_(Wbase_prop_mgr_loader_.New_mock(Keyval_.new_("P1", "commonsMedia")));
 		fxt.Init_header_enabled_y_();
 		fxt.Wdata_fxt().doc_("Property:P1", fxt.Wdata_fxt().Make_claim_string(123, "abc"));
 		fxt.Test
 		( "id:'Property:P1'"
 		, "type:'property'"
 		, "schemaVersion:'2'"
+		, "datatype:'commonsMedia'"
 		, ""
 		);
 	}
diff --git a/400_xowa/src/gplx/xowa/xtns/scribunto/libs/Scrib_lib_wikibase_tst.java b/400_xowa/src/gplx/xowa/xtns/scribunto/libs/Scrib_lib_wikibase_tst.java
index be39e02ac..d72620807 100644
--- a/400_xowa/src/gplx/xowa/xtns/scribunto/libs/Scrib_lib_wikibase_tst.java
+++ b/400_xowa/src/gplx/xowa/xtns/scribunto/libs/Scrib_lib_wikibase_tst.java
@@ -76,6 +76,7 @@ public class Scrib_lib_wikibase_tst {
 		, "  id=Property:p2"	// only difference from above
 		, "  type=property"		// also, type should be "property"; PAGE:ru.w:Викитека:Проект:Викиданные DATE:2016-11-23
 		, "  schemaVersion=2"
+		, "  datatype=<<NULL>>"
 		, "  labels="
 		, "    en="
 		, "      language=en"