diff --git a/blueprints/highres_chemistry/namelist.chem b/blueprints/highres_chemistry/namelist.chem
index 4ce3023c5d852fab468a4b7548be2c3cd1eec6dc..bfe1e32c076bd316db8c6a78dc215b31b292be08 100644
--- a/blueprints/highres_chemistry/namelist.chem
+++ b/blueprints/highres_chemistry/namelist.chem
@@ -21,9 +21,9 @@
  wetscav_onoff                       = 1, 1, 1,
  cldchem_onoff                       = 0, 0, 0,
  vertmix_onoff                       = 1, 1, 1,
- chem_conv_tr                        = 1, 1, 1,
- conv_tr_wetscav                     = 1, 1, 1,
- conv_tr_aqchem                      = 1, 1, 1,
+ chem_conv_tr                        = 1, 1, 0,
+ conv_tr_wetscav                     = 1, 1, 0,
+ conv_tr_aqchem                      = 1, 1, 0,
  seas_opt                            = 2,
  dust_opt                            = 3,
  dmsemis_opt                         = 1,