diff --git a/recognition/include/pcl/recognition/face_detection/rf_face_detector_trainer.h b/recognition/include/pcl/recognition/face_detection/rf_face_detector_trainer.h
index b5247bc8487..2729db06578 100644
--- a/recognition/include/pcl/recognition/face_detection/rf_face_detector_trainer.h
+++ b/recognition/include/pcl/recognition/face_detection/rf_face_detector_trainer.h
@@ -34,8 +34,8 @@ namespace pcl
       float HEAD_ST_DIAMETER_;
       float larger_radius_ratio_;
       std::vector<Eigen::Vector3f, Eigen::aligned_allocator<Eigen::Vector3f> > head_center_votes_;
-      std::vector<std::vector<Eigen::Vector3f>, Eigen::aligned_allocator<Eigen::Vector3f> > head_center_votes_clustered_;
-      std::vector<std::vector<Eigen::Vector3f>, Eigen::aligned_allocator<Eigen::Vector3f> > head_center_original_votes_clustered_;
+      std::vector<std::vector<Eigen::Vector3f, Eigen::aligned_allocator<Eigen::Vector3f> > > head_center_votes_clustered_;
+      std::vector<std::vector<Eigen::Vector3f, Eigen::aligned_allocator<Eigen::Vector3f> > > head_center_original_votes_clustered_;
       std::vector<Eigen::Vector3f, Eigen::aligned_allocator<Eigen::Vector3f> > angle_votes_;
       std::vector<float> uncertainties_;
       std::vector<Eigen::Vector3f, Eigen::aligned_allocator<Eigen::Vector3f> > head_clusters_centers_;
diff --git a/recognition/src/face_detection/rf_face_detector_trainer.cpp b/recognition/src/face_detection/rf_face_detector_trainer.cpp
index ac190d6aa15..ca97053d72e 100644
--- a/recognition/src/face_detection/rf_face_detector_trainer.cpp
+++ b/recognition/src/face_detection/rf_face_detector_trainer.cpp
@@ -108,7 +108,7 @@ void pcl::RFFaceDetectorTrainer::faceVotesClustering()
       ind.push_back (static_cast<int>(i));
       votes_indices.push_back (ind);
 
-      std::vector < Eigen::Vector3f > votes_in_cluster;
+      std::vector < Eigen::Vector3f, Eigen::aligned_allocator<Eigen::Vector3f> > votes_in_cluster;
       votes_in_cluster.push_back (center_vote);
       head_center_original_votes_clustered_.push_back (votes_in_cluster);