diff --git a/Classification/include/CGAL/Classification/OpenCV_random_forest_classifier.h b/Classification/include/CGAL/Classification/OpenCV_random_forest_classifier.h
index de52d8dee347..1c7fb6df3c31 100644
--- a/Classification/include/CGAL/Classification/OpenCV_random_forest_classifier.h
+++ b/Classification/include/CGAL/Classification/OpenCV_random_forest_classifier.h
@@ -39,7 +39,7 @@
   #endif
 #else
   #include <opencv2/ml.hpp>
-#endif`
+#endif