diff --git a/conf/intel/portage/package.use/00-sabayon.package.use b/conf/intel/portage/package.use/00-sabayon.package.use
index 52577490..00bf2c55 100644
--- a/conf/intel/portage/package.use/00-sabayon.package.use
+++ b/conf/intel/portage/package.use/00-sabayon.package.use
@@ -715,7 +715,7 @@ sci-libs/indilib nova
 sci-libs/netcdf -fortran hdf5
 sci-libs/plplot -wxwidgets
 # -ffmpeg because at this time, with latest libav, build fails
-sci-libs/vtk tk mpi -ffmpeg
+sci-libs/vtk tk tcl rendering mpi -ffmpeg
 
 sci-mathematics/maxima latex
 sci-mathematics/octave fftw curl