diff --git a/bld/build-namelist b/bld/build-namelist
index c1baae9043..f66419e68b 100755
--- a/bld/build-namelist
+++ b/bld/build-namelist
@@ -1794,7 +1794,7 @@ if ( $prog_species ) {
       add_default($nl, 'ghg_chem', 'val'=>".true.");
       add_default($nl, 'bndtvg');
     }
-    if ( $prog_species =~ /DST/ and $soil_erod_atm =~ /$TRUE/io)  {
+    if ( $prog_species =~ /DST/ and $soil_erod_atm =~ /$TRUE/)  {
       add_default($nl, 'soil_erod_file' );
     }
 
@@ -2086,7 +2086,7 @@ if ($chem =~ /geoschem/) {
 
     # Datasets
     my @files = ( 'flbc_file' );
-    if ($soil_erod_atm =~ /$TRUE/io) {
+    if ($soil_erod_atm =~ /$TRUE/) {
         @files = ( @files, 'soil_erod_file' );
     }
     foreach my $file (@files) {
@@ -2133,7 +2133,7 @@ if ($chem =~ /trop_mozart/ or $chem =~ /trop_strat/ or $chem =~ /waccm_tsmlt/) {
        @files = ( 'flbc_file',
                   'xs_coef_file','xs_short_file','xs_long_file', 'rsf_file', 'exo_coldens_file', 'sulf_file' );
     }
-    if ($soil_erod_atm =~ /$TRUE/io) {
+    if ($soil_erod_atm =~ /$TRUE/) {
         @files = ( @files, 'soil_erod_file' );
     }
     foreach my $file (@files) {
@@ -2233,8 +2233,8 @@ if ($chem eq 'trop_mam3') {
     add_default($nl, 'flbc_list', 'val'=>"' '");
 
     # Datasets
-    my @files = ('soil_erod_file', 'rsf_file', 'exo_coldens_file' );
-    if ($soil_erod_atm =~ /$TRUE/io) {
+    my @files = ( 'xs_long_file', 'rsf_file', 'exo_coldens_file' );
+    if ($soil_erod_atm =~ /$TRUE/) {
         @files = ( @files, 'soil_erod_file' );
     }
     foreach my $file (@files) {
@@ -2741,7 +2741,7 @@ if (($chem eq 'trop_mam4') or ($chem eq 'waccm_sc_mam4') or ($chem eq 'ghg_mam4'
 
     # Datasets
     my @files = ('xs_long_file', 'rsf_file', 'exo_coldens_file' );
-    if ($soil_erod_atm =~ /$TRUE/io) {
+    if ($soil_erod_atm =~ /$TRUE/) {
         @files = ( @files, 'soil_erod_file' );
     }
     foreach my $file (@files) {
@@ -2832,7 +2832,7 @@ if ($chem eq 'trop_mam7') {
 
     # Datasets
     my @files = ('xs_long_file', 'rsf_file', 'exo_coldens_file' );
-    if ($soil_erod_atm =~ /$TRUE/io) {
+    if ($soil_erod_atm =~ /$TRUE/) {
         @files = ( @files, 'soil_erod_file' );
     }
     foreach my $file (@files) {
@@ -2894,7 +2894,7 @@ if ($chem =~ /waccm_ma/ or $chem =~ /waccm_tsmlt/) {
                  'euvac_file', 'solar_parms_data_file',
                  'depvel_lnd_file',
                  'xs_coef_file', 'xs_short_file','xs_long_file', 'rsf_file' );
-    if ($soil_erod_atm =~ /$TRUE/io) {
+    if ($soil_erod_atm =~ /$TRUE/) {
         @files = ( @files, 'soil_erod_file' );
     }
 
@@ -3749,7 +3749,6 @@ if ( length($nl->get_value('soil_erod_file'))>0 ) {
         }
     }
 }
-
 if (chem_has_species($cfg, 'NO')) {
     # set scaling of lightning NOx production
     add_default($nl, 'lght_no_prd_factor' );