diff --git a/applications/solvers/compressible/sonicDyMFoam/createFields.H b/applications/solvers/compressible/sonicDyMFoam/createFields.H
index 0bec8c245..98183de3b 100644
--- a/applications/solvers/compressible/sonicDyMFoam/createFields.H
+++ b/applications/solvers/compressible/sonicDyMFoam/createFields.H
@@ -10,7 +10,7 @@
     volScalarField& p = thermo.p();
     volScalarField& e = thermo.e();
 
-    volScalarField psis("psi", thermo.psi()/thermo.Cp()*thermo.Cv());
+    volScalarField psis("psis", thermo.psi()/thermo.Cp()*thermo.Cv());
     psis.oldTime();
 
     volScalarField rho
diff --git a/etc/bashrc b/etc/bashrc
index 688bfde0a..586d1ec54 100755
--- a/etc/bashrc
+++ b/etc/bashrc
@@ -34,7 +34,7 @@
 
 export WM_PROJECT=foam
 export WM_FORK=extend
-export WM_PROJECT_VERSION=4.1
+export WM_PROJECT_VERSION=5.0
 
 # helps to easily write #ifdefs to detect a dev-version
 export FOAM_DEV=1
diff --git a/etc/cshrc b/etc/cshrc
index 002d8c002..b79e15e15 100644
--- a/etc/cshrc
+++ b/etc/cshrc
@@ -32,7 +32,7 @@
 
 setenv WM_PROJECT foam
 setenv WM_FORK extend
-setenv WM_PROJECT_VERSION 4.1
+setenv WM_PROJECT_VERSION 5.0
 
 # helps to easily write #ifdefs to detect a foam-extend version
 setenv FOAM_DEV 1