diff --git a/barcode-reader/src/main/java/info/androidhive/barcode/camera/CameraSourcePreview.java b/barcode-reader/src/main/java/info/androidhive/barcode/camera/CameraSourcePreview.java
index 60581e1..050bcf5 100644
--- a/barcode-reader/src/main/java/info/androidhive/barcode/camera/CameraSourcePreview.java
+++ b/barcode-reader/src/main/java/info/androidhive/barcode/camera/CameraSourcePreview.java
@@ -101,6 +101,7 @@ private void startIfReady() throws IOException, SecurityException {
                     mOverlay.setCameraInfo(max, min, mCameraSource.getCameraFacing());
                 }
                 mOverlay.clear();
+                requestLayout();
             }
             mStartRequested = false;
         }