diff --git a/pcl_ros/include/pcl_ros/surface/moving_least_squares.h b/pcl_ros/include/pcl_ros/surface/moving_least_squares.h
index e90f562a..9486dfc1 100644
--- a/pcl_ros/include/pcl_ros/surface/moving_least_squares.h
+++ b/pcl_ros/include/pcl_ros/surface/moving_least_squares.h
@@ -42,6 +42,7 @@
 
 // PCL includes
 #include <pcl/surface/mls.h>
+#include <pcl/kdtree/kdtree.h> // for KdTree
 
 // Dynamic reconfigure
 #include <dynamic_reconfigure/server.h>