diff --git a/search/include/pcl/search/kdtree.h b/search/include/pcl/search/kdtree.h
index fc5caddbc1d..e1981ffbe65 100644
--- a/search/include/pcl/search/kdtree.h
+++ b/search/include/pcl/search/kdtree.h
@@ -95,11 +95,11 @@ namespace pcl
         /** \brief Provide a pointer to the point representation to use to convert points into k-D vectors. 
           * \param[in] point_representation the const boost shared pointer to a PointRepresentation
           */
-        void
+        virtual void
         setPointRepresentation (const PointRepresentationConstPtr &point_representation);
 
         /** \brief Get a pointer to the point representation used when converting points into k-D vectors. */
-        inline PointRepresentationConstPtr
+        virtual inline PointRepresentationConstPtr
         getPointRepresentation () const
         {
           return (tree_->getPointRepresentation ());
@@ -114,11 +114,11 @@ namespace pcl
         /** \brief Set the search epsilon precision (error bound) for nearest neighbors searches.
           * \param[in] eps precision (error bound) for nearest neighbors searches
           */
-        void
+        virtual void
         setEpsilon (float eps);
 
         /** \brief Get the search epsilon precision (error bound) for nearest neighbors searches. */
-        inline float
+        virtual inline float
         getEpsilon () const
         {
           return (tree_->getEpsilon ());
diff --git a/search/include/pcl/search/kdtree_nanoflann.h b/search/include/pcl/search/kdtree_nanoflann.h
index 42de4c73090..57b062a1fff 100644
--- a/search/include/pcl/search/kdtree_nanoflann.h
+++ b/search/include/pcl/search/kdtree_nanoflann.h
@@ -333,7 +333,7 @@ class KdTreeNanoflann : public pcl::search::KdTree<PointT> {
    * @param[in] point_representation the const shared pointer to a PointRepresentation
    */
   void
-  setPointRepresentation(const PointRepresentationConstPtr& point_representation)
+  setPointRepresentation(const PointRepresentationConstPtr& point_representation) override
   {
     PCL_DEBUG("[KdTreeNanoflann::setPointRepresentation] "
               "KdTreeNanoflann::setPointRepresentation called, "
@@ -356,7 +356,7 @@ class KdTreeNanoflann : public pcl::search::KdTree<PointT> {
   /** @brief Get a pointer to the point representation used when converting points into
    * k-D vectors. */
   inline PointRepresentationConstPtr
-  getPointRepresentation() const
+  getPointRepresentation() const override
   {
     return point_representation_;
   }
@@ -375,7 +375,7 @@ class KdTreeNanoflann : public pcl::search::KdTree<PointT> {
    * @param[in] eps precision (error bound) for nearest neighbors searches
    */
   void
-  setEpsilon(float eps)
+  setEpsilon(float eps) override
   {
     eps_ = eps;
   }
@@ -383,7 +383,7 @@ class KdTreeNanoflann : public pcl::search::KdTree<PointT> {
   /** @brief Get the search epsilon precision (error bound) for nearest neighbors
    * searches. */
   inline float
-  getEpsilon() const
+  getEpsilon() const override
   {
     return eps_;
   }