diff --git a/src/finiteVolume/fields/fvPatchFields/derived/prghPressure/prghPressureFvPatchScalarField.C b/src/finiteVolume/fields/fvPatchFields/derived/prghPressure/prghPressureFvPatchScalarField.C
index c86986f711..5ea2c2c823 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/prghPressure/prghPressureFvPatchScalarField.C
+++ b/src/finiteVolume/fields/fvPatchFields/derived/prghPressure/prghPressureFvPatchScalarField.C
@@ -53,7 +53,7 @@ prghPressureFvPatchScalarField
 )
 :
     fixedValueFvPatchScalarField(p, iF),
-    rhoName_(dict.lookupOrDefault<word>("rhoName", "rho")),
+    rhoName_(dict.lookupOrDefault<word>("rho", "rho")),
     p_("p", dict, p.size())
 {
     if (dict.found("value"))
@@ -171,11 +171,7 @@ void Foam::prghPressureFvPatchScalarField::updateCoeffs()
 void Foam::prghPressureFvPatchScalarField::write(Ostream& os) const
 {
     fvPatchScalarField::write(os);
-    if (rhoName_ != "rho")
-    {
-        os.writeKeyword("rhoName")
-            << rhoName_ << token::END_STATEMENT << nl;
-    }
+    writeEntryIfDifferent<word>(os, "rho", "rho", rhoName_);
     p_.writeEntry("p", os);
     writeEntry("value", os);
 }
diff --git a/src/finiteVolume/fields/fvPatchFields/derived/prghPressure/prghPressureFvPatchScalarField.H b/src/finiteVolume/fields/fvPatchFields/derived/prghPressure/prghPressureFvPatchScalarField.H
index bad53659f0..06cbd5dcf2 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/prghPressure/prghPressureFvPatchScalarField.H
+++ b/src/finiteVolume/fields/fvPatchFields/derived/prghPressure/prghPressureFvPatchScalarField.H
@@ -49,7 +49,7 @@ Description
 
     \table
         Property     | Description             | Required    | Default value
-        rhoName      | rho field name          | no          | rho
+        rho          | rho field name          | no          | rho
         p            | static pressure         | yes         |
     \endtable
 
@@ -58,7 +58,7 @@ Description
     myPatch
     {
         type            prghPressure;
-        rhoName         rho;
+        rho             rho;
         p               uniform 0;
         value           uniform 0; // optional initial value
     }
@@ -174,18 +174,6 @@ public:
 
         // Access
 
-            //- Return the rhoName
-            const word& rhoName() const
-            {
-                return rhoName_;
-            }
-
-            //- Return reference to the rhoName to allow adjustment
-            word& rhoName()
-            {
-                return rhoName_;
-            }
-
             //- Return the static pressure
             const scalarField& p() const
             {