diff --git a/src/widget/selecttree/nodes/node.first.plus.js b/src/widget/selecttree/nodes/node.first.plus.js
index 20bf07a07..f975ea00e 100644
--- a/src/widget/selecttree/nodes/node.first.plus.js
+++ b/src/widget/selecttree/nodes/node.first.plus.js
@@ -35,6 +35,7 @@ BI.SelectTreeFirstPlusGroupNode = BI.inherit(BI.NodeButton, {
             hgap: o.hgap,
             text: o.text,
             value: o.value,
+            keyword: o.keyword,
             py: o.py
         });
         this.checkbox.on(BI.Controller.EVENT_CHANGE, function (type) {
diff --git a/src/widget/selecttree/nodes/node.last.plus.js b/src/widget/selecttree/nodes/node.last.plus.js
index ec41ed6f5..0cab47f4b 100644
--- a/src/widget/selecttree/nodes/node.last.plus.js
+++ b/src/widget/selecttree/nodes/node.last.plus.js
@@ -35,6 +35,7 @@ BI.SelectTreeLastPlusGroupNode = BI.inherit(BI.NodeButton, {
             hgap: o.hgap,
             text: o.text,
             value: o.value,
+            keyword: o.keyword,
             py: o.py
         });
         this.checkbox.on(BI.Controller.EVENT_CHANGE, function (type) {
diff --git a/src/widget/selecttree/nodes/node.mid.plus.js b/src/widget/selecttree/nodes/node.mid.plus.js
index ab4bdfa64..b2ec407d0 100644
--- a/src/widget/selecttree/nodes/node.mid.plus.js
+++ b/src/widget/selecttree/nodes/node.mid.plus.js
@@ -35,6 +35,7 @@ BI.SelectTreeMidPlusGroupNode = BI.inherit(BI.NodeButton, {
             hgap: o.hgap,
             text: o.text,
             value: o.value,
+            keyword: o.keyword,
             py: o.py
         });
         this.checkbox.on(BI.Controller.EVENT_CHANGE, function (type) {