diff --git a/src/widget/multitree/multi.tree.combo.js b/src/widget/multitree/multi.tree.combo.js
index 399df7e02..86f460977 100644
--- a/src/widget/multitree/multi.tree.combo.js
+++ b/src/widget/multitree/multi.tree.combo.js
@@ -187,7 +187,7 @@ BI.MultiTreeCombo = BI.inherit(BI.Single, {
             var checked = this.getSearcher().hasChecked();
             var val = {
                 type: BI.Selection.Multi,
-                value: checked ? {1: 1} : {}
+                value: checked ? this.getValue() : {}
             };
             this.getSearcher().setState(checked ? BI.Selection.Multi : BI.Selection.None);
             this.getCounter().setButtonChecked(val);
diff --git a/src/widget/multitree/multi.tree.insert.combo.js b/src/widget/multitree/multi.tree.insert.combo.js
index bedabf7fe..b05ba035a 100644
--- a/src/widget/multitree/multi.tree.insert.combo.js
+++ b/src/widget/multitree/multi.tree.insert.combo.js
@@ -204,7 +204,7 @@ BI.MultiTreeInsertCombo = BI.inherit(BI.Single, {
             var checked = this.getSearcher().hasChecked();
             var val = {
                 type: BI.Selection.Multi,
-                value: checked ? {1: 1} : {}
+                value: checked ? this.getValue() : {}
             };
             this.getSearcher().setState(checked ? BI.Selection.Multi : BI.Selection.None);
             this.getCounter().setButtonChecked(val);
diff --git a/src/widget/multitree/multi.tree.list.combo.js b/src/widget/multitree/multi.tree.list.combo.js
index c291e3fb2..c5e9d150d 100644
--- a/src/widget/multitree/multi.tree.list.combo.js
+++ b/src/widget/multitree/multi.tree.list.combo.js
@@ -212,7 +212,7 @@ BI.MultiTreeListCombo = BI.inherit(BI.Single, {
             var checked = this.getSearcher().hasChecked();
             var val = {
                 type: BI.Selection.Multi,
-                value: checked ? {1: 1} : {}
+                value: checked ? this.getValue() : {}
             };
             this.getSearcher().setState(checked ? BI.Selection.Multi : BI.Selection.None);
             this.getCounter().setButtonChecked(val);