diff --git a/gpu/segmentation/include/pcl/gpu/segmentation/impl/gpu_extract_clusters.hpp b/gpu/segmentation/include/pcl/gpu/segmentation/impl/gpu_extract_clusters.hpp
index 2e2be0de3..d1340a93c 100644
--- a/gpu/segmentation/include/pcl/gpu/segmentation/impl/gpu_extract_clusters.hpp
+++ b/gpu/segmentation/include/pcl/gpu/segmentation/impl/gpu_extract_clusters.hpp
@@ -44,7 +44,7 @@ namespace pcl {
 namespace detail {
 
 //// Downloads only the neccssary cluster indices from the device to the host.
-void
+PCL_EXPORTS void
 economical_download(const pcl::gpu::NeighborIndices& source_indices,
                     const pcl::Indices& buffer_indices,
                     std::size_t buffer_size,
diff --git a/visualization/include/pcl/visualization/vtk/vtkRenderWindowInteractorFix.h b/visualization/include/pcl/visualization/vtk/vtkRenderWindowInteractorFix.h
index b427e76d9..7958f80e6 100644
--- a/visualization/include/pcl/visualization/vtk/vtkRenderWindowInteractorFix.h
+++ b/visualization/include/pcl/visualization/vtk/vtkRenderWindowInteractorFix.h
@@ -38,5 +38,6 @@
 #pragma once
 
 #include <vtkRenderWindowInteractor.h>
+#include <pcl/pcl_exports.h>
 
-vtkRenderWindowInteractor* vtkRenderWindowInteractorFixNew ();
+PCL_EXPORTS vtkRenderWindowInteractor* vtkRenderWindowInteractorFixNew ();