diff --git a/applications/solvers/heatTransfer/buoyantBoussinesqFoam/Make/files b/applications/solvers/heatTransfer/buoyantBoussinesqFoam/Make/files
deleted file mode 100644
index d6a7819c0e..0000000000
--- a/applications/solvers/heatTransfer/buoyantBoussinesqFoam/Make/files
+++ /dev/null
@@ -1,3 +0,0 @@
-buoyantBoussinesqFoam.C
-
-EXE = $(FOAM_APPBIN)/buoyantBoussinesqFoam
diff --git a/applications/solvers/heatTransfer/buoyantBoussinesqPisoFoam/Make/files b/applications/solvers/heatTransfer/buoyantBoussinesqPisoFoam/Make/files
new file mode 100644
index 0000000000..d7b85221d8
--- /dev/null
+++ b/applications/solvers/heatTransfer/buoyantBoussinesqPisoFoam/Make/files
@@ -0,0 +1,3 @@
+buoyantBoussinesqPisoFoam.C
+
+EXE = $(FOAM_APPBIN)/buoyantBoussinesqPisoFoam
diff --git a/applications/solvers/heatTransfer/buoyantBoussinesqFoam/Make/options b/applications/solvers/heatTransfer/buoyantBoussinesqPisoFoam/Make/options
similarity index 100%
rename from applications/solvers/heatTransfer/buoyantBoussinesqFoam/Make/options
rename to applications/solvers/heatTransfer/buoyantBoussinesqPisoFoam/Make/options
diff --git a/applications/solvers/heatTransfer/buoyantBoussinesqFoam/TEqn.H b/applications/solvers/heatTransfer/buoyantBoussinesqPisoFoam/TEqn.H
similarity index 100%
rename from applications/solvers/heatTransfer/buoyantBoussinesqFoam/TEqn.H
rename to applications/solvers/heatTransfer/buoyantBoussinesqPisoFoam/TEqn.H
diff --git a/applications/solvers/heatTransfer/buoyantBoussinesqFoam/UEqn.H b/applications/solvers/heatTransfer/buoyantBoussinesqPisoFoam/UEqn.H
similarity index 100%
rename from applications/solvers/heatTransfer/buoyantBoussinesqFoam/UEqn.H
rename to applications/solvers/heatTransfer/buoyantBoussinesqPisoFoam/UEqn.H
diff --git a/applications/solvers/heatTransfer/buoyantBoussinesqFoam/buoyantBoussinesqFoam.C b/applications/solvers/heatTransfer/buoyantBoussinesqPisoFoam/buoyantBoussinesqPisoFoam.C
similarity index 96%
rename from applications/solvers/heatTransfer/buoyantBoussinesqFoam/buoyantBoussinesqFoam.C
rename to applications/solvers/heatTransfer/buoyantBoussinesqPisoFoam/buoyantBoussinesqPisoFoam.C
index 72aab39ac0..6a4381efbf 100644
--- a/applications/solvers/heatTransfer/buoyantBoussinesqFoam/buoyantBoussinesqFoam.C
+++ b/applications/solvers/heatTransfer/buoyantBoussinesqPisoFoam/buoyantBoussinesqPisoFoam.C
@@ -23,10 +23,10 @@ License
     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 
 Application
-    buoyantBoussinesqSimpleFoam
+    buoyantBoussinesqPisoFoam
 
 Description
-    Steady-state solver for buoyant, turbulent flow of incompressible fluids
+    Transient solver for buoyant, turbulent flow of incompressible fluids
 
     Uses the Boussinesq approximation:
     \f[
diff --git a/applications/solvers/heatTransfer/buoyantBoussinesqFoam/createFields.H b/applications/solvers/heatTransfer/buoyantBoussinesqPisoFoam/createFields.H
similarity index 100%
rename from applications/solvers/heatTransfer/buoyantBoussinesqFoam/createFields.H
rename to applications/solvers/heatTransfer/buoyantBoussinesqPisoFoam/createFields.H
diff --git a/applications/solvers/heatTransfer/buoyantBoussinesqFoam/pdEqn.H b/applications/solvers/heatTransfer/buoyantBoussinesqPisoFoam/pdEqn.H
similarity index 100%
rename from applications/solvers/heatTransfer/buoyantBoussinesqFoam/pdEqn.H
rename to applications/solvers/heatTransfer/buoyantBoussinesqPisoFoam/pdEqn.H
diff --git a/applications/solvers/heatTransfer/buoyantBoussinesqFoam/readTransportProperties.H b/applications/solvers/heatTransfer/buoyantBoussinesqPisoFoam/readTransportProperties.H
similarity index 100%
rename from applications/solvers/heatTransfer/buoyantBoussinesqFoam/readTransportProperties.H
rename to applications/solvers/heatTransfer/buoyantBoussinesqPisoFoam/readTransportProperties.H
diff --git a/applications/solvers/heatTransfer/buoyantBoussinesqFoam/writeAdditionalFields.H b/applications/solvers/heatTransfer/buoyantBoussinesqPisoFoam/writeAdditionalFields.H
similarity index 100%
rename from applications/solvers/heatTransfer/buoyantBoussinesqFoam/writeAdditionalFields.H
rename to applications/solvers/heatTransfer/buoyantBoussinesqPisoFoam/writeAdditionalFields.H