diff --git a/applications/solvers/coupled/pUCoupledFoam/UEqn.H b/applications/solvers/coupled/pUCoupledFoam/UEqn.H
index 7219eb39e..4423aa565 100644
--- a/applications/solvers/coupled/pUCoupledFoam/UEqn.H
+++ b/applications/solvers/coupled/pUCoupledFoam/UEqn.H
@@ -1,7 +1,8 @@
 // Momentum equation
 fvVectorMatrix UEqn
 (
-    fvm::div(phi, U)
+    fvm::ddt(U)
+  + fvm::div(phi, U)
   + turbulence->divDevReff(U)
 );
 
diff --git a/applications/solvers/coupled/pUCoupledFoam/createFields.H b/applications/solvers/coupled/pUCoupledFoam/createFields.H
index 1ea6ea880..51403c4a7 100644
--- a/applications/solvers/coupled/pUCoupledFoam/createFields.H
+++ b/applications/solvers/coupled/pUCoupledFoam/createFields.H
@@ -45,7 +45,7 @@ volVector4Field Up
        runTime.timeName(),
        mesh,
        IOobject::NO_READ,
-       IOobject::AUTO_WRITE
+       IOobject::NO_WRITE
     ),
     mesh,
     dimensionedVector4("zero", dimless, vector4::zero)