diff --git a/core-lib/src/main/java/org/idpass/smartscanner/lib/SmartScannerActivity.kt b/core-lib/src/main/java/org/idpass/smartscanner/lib/SmartScannerActivity.kt
index 49d3c721..c0a2705c 100644
--- a/core-lib/src/main/java/org/idpass/smartscanner/lib/SmartScannerActivity.kt
+++ b/core-lib/src/main/java/org/idpass/smartscanner/lib/SmartScannerActivity.kt
@@ -412,6 +412,7 @@ class SmartScannerActivity : BaseActivity(), OnClickListener {
     @SuppressLint("ClickableViewAccessibility", "UnsafeOptInUsageError")
     private fun startCamera(analyzer: ImageAnalysis.Analyzer? = null, hasPDF417: Boolean = false) {
         viewFinder.post {
+            if (viewFinder.display == null) return@post
             this.getSystemService(Context.CAMERA_SERVICE) as CameraManager
             val cameraProviderFuture = ProcessCameraProvider.getInstance(this)
             cameraProviderFuture.addListener({
diff --git a/core-lib/src/main/res/layout-land/activity_smart_scanner.xml b/core-lib/src/main/res/layout-land/activity_smart_scanner.xml
index 8d574a1a..bff5aadf 100644
--- a/core-lib/src/main/res/layout-land/activity_smart_scanner.xml
+++ b/core-lib/src/main/res/layout-land/activity_smart_scanner.xml
@@ -98,6 +98,19 @@
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toTopOf="parent" />
 
+        <ImageView
+            android:id="@+id/rect_guide"
+            android:layout_width="match_parent"
+            android:layout_height="70dp"
+            android:layout_marginHorizontal="25dp"
+            android:layout_marginBottom="66dp"
+            android:contentDescription="@string/rectangle"
+            android:src="@drawable/rectangle_slim"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            android:adjustViewBounds="true" />
+
         <androidx.appcompat.widget.AppCompatImageView
             android:id="@+id/branding_image"
             android:layout_width="64dp"