diff --git a/src/FactSystem/FactControls/FactCheckBox.qml b/src/FactSystem/FactControls/FactCheckBox.qml
index 3aad83b..4a591e9 100644
--- a/src/FactSystem/FactControls/FactCheckBox.qml
+++ b/src/FactSystem/FactControls/FactCheckBox.qml
@@ -18,5 +18,5 @@ QGCCheckBox {
 
     text: qsTr("Label")
 
-    onClicked: fact.value == checked ? checkedValue : uncheckedValue
+    onClicked: fact.value = (checked ? checkedValue : uncheckedValue)
 }