diff --git a/src/init_mcfost.f90 b/src/init_mcfost.f90
index 12468ba07..8b38ff568 100644
--- a/src/init_mcfost.f90
+++ b/src/init_mcfost.f90
@@ -214,6 +214,7 @@ subroutine set_default_variables()
   image_offset_centre(:) = (/0.0,0.0,0.0/)
   loverwrite_s12 = .false.
   lnot_random_Voronoi = .false.
+  lignore_sink=.false.
 
   tmp_dir = "./"
 
@@ -1463,6 +1464,9 @@ subroutine initialisation_mcfost()
      case("-not_random_Voronoi")
         i_arg = i_arg + 1
         lnot_random_Voronoi = .true.
+     case("-ignore_sink")
+        i_arg = i_arg + 1
+        lignore_sink=.true.
       case default
         write(*,*) "Error: unknown option: "//trim(s)
         write(*,*) "Use 'mcfost -h' to get list of available options"
@@ -2073,6 +2077,7 @@ subroutine display_help()
   write(*,*) "                                   (only works with 1 grain size dump)"
   write(*,*) "        : -force_Mgas : force the gas mass to be the value given the mcfost parameter file"
   write(*,*) "        : -not_random_Voronoi : force the particle order to remain the same"
+  write(*,*) "        : -ignore_sink : forces nptmass to 0, ie not stars in mcfost"
   write(*,*) ""
   write(*,*) "You can find the full documentation at:"
   write(*,*) trim(doc_webpage)
diff --git a/src/parameters.f90 b/src/parameters.f90
index 90a23190e..40d3a255d 100644
--- a/src/parameters.f90
+++ b/src/parameters.f90
@@ -162,7 +162,7 @@ module parametres
   logical :: ldelete_inside_rsph, ldelete_outside_rsph, ldelete_above_theta
   real(kind=dp) :: ufac_implicit,scale_length_units_factor,scale_mass_units_factor,correct_density_factor_elongated_cells
   real(kind=dp) :: SPH_amin, SPH_amax, fluffyness, gap_factor, rsph_min, rsph_max
-  logical :: lupdate_velocities, lno_vr, lno_vz, lvphi_Kep, lfluffy, lnot_random_Voronoi
+  logical :: lupdate_velocities, lno_vr, lno_vz, lvphi_Kep, lfluffy, lnot_random_Voronoi, lignore_sink
   integer :: isink_centre
 
   ! Disk parameters
diff --git a/src/read_phantom.f90 b/src/read_phantom.f90
index eea193e17..12f8e61c8 100644
--- a/src/read_phantom.f90
+++ b/src/read_phantom.f90
@@ -984,23 +984,26 @@ subroutine phantom_2_mcfost(np,nptmass,ntypes,ndusttypes,ldust_moments,n_files,d
        ldudt_implicit = .false.
     endif
 
-    write(*,*) "# Stars/planets:"
-    n_etoiles_old = n_etoiles
-    n_etoiles = 0
-    do i=1,nptmass
-       n_etoiles = n_etoiles + 1
-       if (real(xyzmh_ptmass(4,i)) * scale_mass_units_factor > 0.013) then
-          write(*,*) "Star   #", i, "xyz=", real(xyzmh_ptmass(1:3,i) * ulength_au), "au, M=", &
-               real(xyzmh_ptmass(4,i) * usolarmass), "Msun, Mdot=", &
-               real(xyzmh_ptmass(16,i) * usolarmass / utime_scaled * year_to_s ), "Msun/yr"
-       else
-          write(*,*) "Planet #", i, "xyz=", real(xyzmh_ptmass(1:3,i) * ulength_au), "au, M=", &
-               real(xyzmh_ptmass(4,i) * GxMsun/GxMjup * usolarmass), "Mjup, Mdot=", &
-               real(xyzmh_ptmass(16,i) * usolarmass / utime_scaled * year_to_s ), "Msun/yr"
-       endif
-       if (i>1) write(*,*)  "       distance=", real(norm2(xyzmh_ptmass(1:3,i) - xyzmh_ptmass(1:3,1))*ulength_au), "au"
-    enddo
-
+    if (lignore_sink) then
+       n_etoiles = 0
+    else
+       write(*,*) "# Stars/planets:"
+       n_etoiles_old = n_etoiles
+       n_etoiles = 0
+       do i=1,nptmass
+          n_etoiles = n_etoiles + 1
+          if (real(xyzmh_ptmass(4,i)) * scale_mass_units_factor > 0.013) then
+             write(*,*) "Star   #", i, "xyz=", real(xyzmh_ptmass(1:3,i) * ulength_au), "au, M=", &
+                  real(xyzmh_ptmass(4,i) * usolarmass), "Msun, Mdot=", &
+                  real(xyzmh_ptmass(16,i) * usolarmass / utime_scaled * year_to_s ), "Msun/yr"
+          else
+             write(*,*) "Planet #", i, "xyz=", real(xyzmh_ptmass(1:3,i) * ulength_au), "au, M=", &
+                  real(xyzmh_ptmass(4,i) * GxMsun/GxMjup * usolarmass), "Mjup, Mdot=", &
+                  real(xyzmh_ptmass(16,i) * usolarmass / utime_scaled * year_to_s ), "Msun/yr"
+          endif
+          if (i>1) write(*,*)  "       distance=", real(norm2(xyzmh_ptmass(1:3,i) - xyzmh_ptmass(1:3,1))*ulength_au), "au"
+       enddo
+    endif
 
     if (lupdate_velocities) then
        if (lno_vz) vz(:) = 0.