diff --git a/src/thermo.cpp b/src/thermo.cpp
index 33f47619bc..2304a79a14 100644
--- a/src/thermo.cpp
+++ b/src/thermo.cpp
@@ -1294,7 +1294,10 @@ void Thermo::compute_etail()
 
 void Thermo::compute_vol()
 {
-  dvalue = domain->xprd * domain->yprd * domain->zprd;
+  if (domain->dimension == 3)
+    dvalue = domain->xprd * domain->yprd * domain->zprd;
+  else
+    dvalue = domain->xprd * domain->yprd;
 }
 
 /* ---------------------------------------------------------------------- */
diff --git a/src/universe.cpp b/src/universe.cpp
index 6a9d9db0bb..1b57301e8e 100644
--- a/src/universe.cpp
+++ b/src/universe.cpp
@@ -26,7 +26,7 @@ using namespace LAMMPS_NS;
 
 Universe::Universe(LAMMPS *lmp, MPI_Comm communicator) : Pointers(lmp)
 {
-  version = (char *) "22 Jun 2007";
+  version = (char *) "5 Oct 2007";
 
   uworld = communicator;
   MPI_Comm_rank(uworld,&me);