diff --git a/src/openalpr/motiondetector.cpp b/src/openalpr/motiondetector.cpp
index af42075..2f00d3f 100644
--- a/src/openalpr/motiondetector.cpp
+++ b/src/openalpr/motiondetector.cpp
@@ -61,5 +61,5 @@ cv::Rect MotionDetector::MotionDetect(cv::Mat* frame)
         }
 		
 //	imshow("Motion detect", fgMaskMOG2);
-	return largest_rect;
+	return expandRect(largest_rect, 0, 0, frame->cols, frame->rows);
 }