diff --git a/src/openalpr/motiondetector.cpp b/src/openalpr/motiondetector.cpp
index 2f00d3f..c28b051 100644
--- a/src/openalpr/motiondetector.cpp
+++ b/src/openalpr/motiondetector.cpp
@@ -2,6 +2,9 @@
 
 using namespace cv;
 
+namespace alpr
+{
+  
 MotionDetector::MotionDetector()
 {
 	pMOG2 = new BackgroundSubtractorMOG2();
@@ -63,3 +66,5 @@ cv::Rect MotionDetector::MotionDetect(cv::Mat* frame)
 //	imshow("Motion detect", fgMaskMOG2);
 	return expandRect(largest_rect, 0, 0, frame->cols, frame->rows);
 }
+
+}
\ No newline at end of file
diff --git a/src/openalpr/motiondetector.h b/src/openalpr/motiondetector.h
index 7522f53..6d63227 100644
--- a/src/openalpr/motiondetector.h
+++ b/src/openalpr/motiondetector.h
@@ -1,13 +1,22 @@
+
+#ifndef OPENALPR_MOTIONDETECTOR_H
+#define OPENALPR_MOTIONDETECTOR_H
+
 #include "opencv2/opencv.hpp"
 
-class MotionDetector
+namespace alpr
 {
-	private: cv::Ptr<cv::BackgroundSubtractor> pMOG2; //MOG2 Background subtractor
-	private: cv::Mat fgMaskMOG2;
-	public:
-		MotionDetector();
-		virtual ~MotionDetector();
+  class MotionDetector
+  {
+      private: cv::Ptr<cv::BackgroundSubtractor> pMOG2; //MOG2 Background subtractor
+      private: cv::Mat fgMaskMOG2;
+      public:
+          MotionDetector();
+          virtual ~MotionDetector();
 
-		void ResetMotionDetection(cv::Mat* frame);
-		cv::Rect MotionDetect(cv::Mat* frame);
-};
+          void ResetMotionDetection(cv::Mat* frame);
+          cv::Rect MotionDetect(cv::Mat* frame);
+  };
+}
+
+#endif // OPENALPR_MOTIONDETECTOR_H
\ No newline at end of file