Index: LMDZ5/branches/IPSLCM6.0.11/libf/phylmd/rrtm/aeropt_5wv_rrtm.F90
===================================================================
--- LMDZ5/branches/IPSLCM6.0.11/libf/phylmd/rrtm/aeropt_5wv_rrtm.F90	(revision 2970)
+++ LMDZ5/branches/IPSLCM6.0.11/libf/phylmd/rrtm/aeropt_5wv_rrtm.F90	(revision 2972)
@@ -431,13 +431,13 @@
         soluble=.TRUE.
         spsol=2 
-    ELSEIF (aerosol_name(m).EQ.id_ASSO4M_phy) THEN
+    ELSEIF (aerosol_name(m).EQ.id_CSSO4M_phy) THEN
         soluble=.TRUE.
         spsol=3
-        fac=1.375    ! (NH4)2-SO4/SO4 132/96 mass conversion factor for AOD
-    ELSEIF (aerosol_name(m).EQ.id_CSSO4M_phy) THEN
-        soluble=.TRUE.
-        spsol=4
         !fac=1.375    ! (NH4)2-SO4/SO4 132/96 mass conversion factor for AOD
         fac=0.0      !--6 March 2017 - OB as Didier H said CSSO4 should not be used
+    ELSEIF (aerosol_name(m).EQ.id_ASSO4M_phy) THEN
+        soluble=.TRUE.
+        spsol=4
+        fac=1.375    ! (NH4)2-SO4/SO4 132/96 mass conversion factor for AOD
     ELSEIF (aerosol_name(m).EQ.id_SSSSM_phy) THEN 
         soluble=.TRUE.