diff --git a/incompressible_flow/Inc_Species_Transport/1__FFD-box-writing/species3_primitiveVenturi.cfg b/incompressible_flow/Inc_Species_Transport/1__FFD-box-writing/species3_primitiveVenturi.cfg
index e1ade92..188aed9 100644
--- a/incompressible_flow/Inc_Species_Transport/1__FFD-box-writing/species3_primitiveVenturi.cfg
+++ b/incompressible_flow/Inc_Species_Transport/1__FFD-box-writing/species3_primitiveVenturi.cfg
@@ -84,7 +84,7 @@ TIME_DISCRE_FLOW= EULER_IMPLICIT
 %
 % -------------------- SCALAR TRANSPORT ---------------------------------------%
 %
-KIND_SCALAR_MODEL= PASSIVE_SCALAR
+KIND_SCALAR_MODEL= SPECIES_TRANSPORT
 DIFFUSIVITY_MODEL= CONSTANT_DIFFUSIVITY
 DIFFUSIVITY_CONSTANT= 0.001
 %
diff --git a/incompressible_flow/Inc_Species_Transport/2__mesh-deform-test/species3_primitiveVenturi_deform.cfg b/incompressible_flow/Inc_Species_Transport/2__mesh-deform-test/species3_primitiveVenturi_deform.cfg
index 05b7512..97cd2fd 100644
--- a/incompressible_flow/Inc_Species_Transport/2__mesh-deform-test/species3_primitiveVenturi_deform.cfg
+++ b/incompressible_flow/Inc_Species_Transport/2__mesh-deform-test/species3_primitiveVenturi_deform.cfg
@@ -85,7 +85,7 @@ TIME_DISCRE_FLOW= EULER_IMPLICIT
 %
 % -------------------- SCALAR TRANSPORT ---------------------------------------%
 %
-KIND_SCALAR_MODEL= PASSIVE_SCALAR
+KIND_SCALAR_MODEL= SPECIES_TRANSPORT
 DIFFUSIVITY_MODEL= CONSTANT_DIFFUSIVITY
 DIFFUSIVITY_CONSTANT= 0.001
 %
diff --git a/incompressible_flow/Inc_Species_Transport/3__gradient-validation/species3_primitiveVenturi.cfg b/incompressible_flow/Inc_Species_Transport/3__gradient-validation/species3_primitiveVenturi.cfg
index 9a33024..735308c 100644
--- a/incompressible_flow/Inc_Species_Transport/3__gradient-validation/species3_primitiveVenturi.cfg
+++ b/incompressible_flow/Inc_Species_Transport/3__gradient-validation/species3_primitiveVenturi.cfg
@@ -90,7 +90,7 @@ TIME_DISCRE_FLOW= EULER_IMPLICIT
 %
 % -------------------- SCALAR TRANSPORT ---------------------------------------%
 %
-KIND_SCALAR_MODEL= PASSIVE_SCALAR
+KIND_SCALAR_MODEL= SPECIES_TRANSPORT
 DIFFUSIVITY_MODEL= CONSTANT_DIFFUSIVITY
 DIFFUSIVITY_CONSTANT= 0.001
 %
diff --git a/incompressible_flow/Inc_Species_Transport/4__optimization/species3_primitiveVenturi.cfg b/incompressible_flow/Inc_Species_Transport/4__optimization/species3_primitiveVenturi.cfg
index e557a89..c4e6e1d 100644
--- a/incompressible_flow/Inc_Species_Transport/4__optimization/species3_primitiveVenturi.cfg
+++ b/incompressible_flow/Inc_Species_Transport/4__optimization/species3_primitiveVenturi.cfg
@@ -90,7 +90,7 @@ TIME_DISCRE_FLOW= EULER_IMPLICIT
 %
 % -------------------- SCALAR TRANSPORT ---------------------------------------%
 %
-KIND_SCALAR_MODEL= PASSIVE_SCALAR
+KIND_SCALAR_MODEL= SPECIES_TRANSPORT
 DIFFUSIVITY_MODEL= CONSTANT_DIFFUSIVITY
 DIFFUSIVITY_CONSTANT= 0.001
 %
diff --git a/incompressible_flow/Inc_Species_Transport/DAspecies3_primitiveVenturi.cfg b/incompressible_flow/Inc_Species_Transport/DAspecies3_primitiveVenturi.cfg
index 7ec432d..306294a 100644
--- a/incompressible_flow/Inc_Species_Transport/DAspecies3_primitiveVenturi.cfg
+++ b/incompressible_flow/Inc_Species_Transport/DAspecies3_primitiveVenturi.cfg
@@ -90,7 +90,7 @@ TIME_DISCRE_FLOW= EULER_IMPLICIT
 %
 % -------------------- SCALAR TRANSPORT ---------------------------------------%
 %
-KIND_SCALAR_MODEL= PASSIVE_SCALAR
+KIND_SCALAR_MODEL= SPECIES_TRANSPORT
 DIFFUSIVITY_MODEL= CONSTANT_DIFFUSIVITY
 DIFFUSIVITY_CONSTANT= 0.001
 %
diff --git a/incompressible_flow/Inc_Species_Transport/species3_primitiveVenturi.cfg b/incompressible_flow/Inc_Species_Transport/species3_primitiveVenturi.cfg
index cadedc7..c8137a9 100644
--- a/incompressible_flow/Inc_Species_Transport/species3_primitiveVenturi.cfg
+++ b/incompressible_flow/Inc_Species_Transport/species3_primitiveVenturi.cfg
@@ -84,7 +84,7 @@ TIME_DISCRE_FLOW= EULER_IMPLICIT
 %
 % -------------------- SCALAR TRANSPORT ---------------------------------------%
 %
-KIND_SCALAR_MODEL= PASSIVE_SCALAR
+KIND_SCALAR_MODEL= SPECIES_TRANSPORT
 DIFFUSIVITY_MODEL= CONSTANT_DIFFUSIVITY
 DIFFUSIVITY_CONSTANT= 0.001
 %