diff --git a/Externals_CAM.cfg b/Externals_CAM.cfg
index a882c86d5b..c755d64e3a 100644
--- a/Externals_CAM.cfg
+++ b/Externals_CAM.cfg
@@ -88,7 +88,7 @@ externals = Externals_HCO.cfg
 
 [cloud_j]
 local_path = src/chemistry/cloud_j
-branch = dev/geos-chem
+branch = dev/cesm
 protocol = git
 repo_url = https://github.com/geoschem/CLOUD-J.git
 required = True
diff --git a/src/chemistry/mozart/mo_neu_wetdep.F90 b/src/chemistry/mozart/mo_neu_wetdep.F90
index 78b3779fe4..d5805864a2 100644
--- a/src/chemistry/mozart/mo_neu_wetdep.F90
+++ b/src/chemistry/mozart/mo_neu_wetdep.F90
@@ -376,8 +376,8 @@ subroutine neu_wetdep_tend(lchnk,ncol,mmr,pmid,pdel,zint,tfld,delt, &
           else if( m == nh3_ndx ) then
              heff(:,k,m) = heff(:,k,m)*(1._r8 + dk1s(:)*ph/dk2s(:))
           else
-             write(iulog,*) 'error in assigning henrys law coefficients'
-             write(iulog,*) 'species ',m
+             if ( masterproc ) write(iulog,*) 'error in assigning henrys law coefficients'
+             if ( masterproc ) write(iulog,*) 'species ',m
           end if
         end if
       end if