diff --git a/applications/solvers/multiphase/lesInterFoam/lesInterFoam.C b/applications/solvers/multiphase/lesInterFoam/lesInterFoam.C
index 264eb28dea..8d109f03b3 100644
--- a/applications/solvers/multiphase/lesInterFoam/lesInterFoam.C
+++ b/applications/solvers/multiphase/lesInterFoam/lesInterFoam.C
@@ -85,6 +85,8 @@ int main(int argc, char *argv[])
 
         #include "continuityErrs.H"
 
+        p = pd + rho*gh;
+
         runTime.write();
 
         Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"