diff --git a/doc/tutorials/content/sources/vfh_recognition/nearest_neighbors.cpp b/doc/tutorials/content/sources/vfh_recognition/nearest_neighbors.cpp
index 93cdbeb5485..8aecaa2aa3a 100644
--- a/doc/tutorials/content/sources/vfh_recognition/nearest_neighbors.cpp
+++ b/doc/tutorials/content/sources/vfh_recognition/nearest_neighbors.cpp
@@ -29,7 +29,7 @@ loadHist (const boost::filesystem::path &path, vfh_model &vfh)
     Eigen::Vector4f origin;
     Eigen::Quaternionf orientation;
     pcl::PCDReader r;
-    unsigned int type; int idx;
+    int type; unsigned int idx;
     r.readHeader (path.string (), cloud, origin, orientation, version, type, idx);
 
     vfh_idx = pcl::getFieldIndex (cloud, "vfh");