diff --git a/applications/solvers/compressible/rhoPimpleFoam/rhoPimpleDyMFoam/pEqn.H b/applications/solvers/compressible/rhoPimpleFoam/rhoPimpleDyMFoam/pEqn.H
index 14ba97d1c2..fd892bb932 100644
--- a/applications/solvers/compressible/rhoPimpleFoam/rhoPimpleDyMFoam/pEqn.H
+++ b/applications/solvers/compressible/rhoPimpleFoam/rhoPimpleDyMFoam/pEqn.H
@@ -115,5 +115,5 @@ K = 0.5*magSqr(U);
 
 if (thermo.dpdt())
 {
-    dpdt = fvc::ddt(p);
+    dpdt = fvc::ddt(p) - fvc::div(fvc::meshPhi(rho, U), p);
 }