Index: LMDZ6/trunk/libf/phylmd/ecrad/radiation/radiation_tripleclouds_lw.F90
===================================================================
--- LMDZ6/trunk/libf/phylmd/ecrad/radiation/radiation_tripleclouds_lw.F90	(revision 5659)
+++ LMDZ6/trunk/libf/phylmd/ecrad/radiation/radiation_tripleclouds_lw.F90	(revision 5660)
@@ -230,5 +230,6 @@
       ! --------------------------------------------------------
 
-      if (.not. config%do_lw_aerosol_scattering) then
+      if (.not. config%use_aerosols &
+           .or. .not. config%do_lw_aerosol_scattering) then
         ! No scattering in clear-sky flux calculation; note that here
         ! the first two dimensions of the input arrays are unpacked