diff --git a/main.qml b/main.qml
index 83e294ec..4c76422c 100644
--- a/main.qml
+++ b/main.qml
@@ -65,7 +65,7 @@ ApplicationWindow {
     property bool viewOnly: false
     property bool foundNewBlock: false
     property int timeToUnlock: 0
-    property bool qrScannerEnabled: builtWithScanner && (QtMultimedia.availableCameras.length > 0)
+    property bool qrScannerEnabled: (typeof builtWithScanner != "undefined") && builtWithScanner && (QtMultimedia.availableCameras.length > 0)
     property int blocksToSync: 1
 
     // true if wallet ever synchronized