diff --git a/src/OpenFOAM/meshes/polyMesh/polyMesh.C b/src/OpenFOAM/meshes/polyMesh/polyMesh.C
index 1f0f29e101..441dc2c7d9 100644
--- a/src/OpenFOAM/meshes/polyMesh/polyMesh.C
+++ b/src/OpenFOAM/meshes/polyMesh/polyMesh.C
@@ -546,7 +546,7 @@ Foam::polyMesh::polyMesh
             IOobject::NO_READ,
             IOobject::AUTO_WRITE
         ),
-        0
+        label(0)
     ),
     neighbour_
     (
@@ -559,7 +559,7 @@ Foam::polyMesh::polyMesh
             IOobject::NO_READ,
             IOobject::AUTO_WRITE
         ),
-        0
+        label(0)
     ),
     clearedPrimitives_(false),
     boundary_
diff --git a/src/OpenFOAM/meshes/polyMesh/polyMeshFromShapeMesh.C b/src/OpenFOAM/meshes/polyMesh/polyMeshFromShapeMesh.C
index 11d1cd0fbc..4798e11239 100644
--- a/src/OpenFOAM/meshes/polyMesh/polyMeshFromShapeMesh.C
+++ b/src/OpenFOAM/meshes/polyMesh/polyMeshFromShapeMesh.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2011-2022 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2023 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -426,7 +426,7 @@ Foam::polyMesh::polyMesh
             IOobject::NO_READ,
             IOobject::AUTO_WRITE
         ),
-        0
+        label(0)
     ),
     owner_
     (
@@ -439,7 +439,7 @@ Foam::polyMesh::polyMesh
             IOobject::NO_READ,
             IOobject::AUTO_WRITE
         ),
-        0
+        label(0)
     ),
     neighbour_
     (
@@ -452,7 +452,7 @@ Foam::polyMesh::polyMesh
             IOobject::NO_READ,
             IOobject::AUTO_WRITE
         ),
-        0
+        label(0)
     ),
     clearedPrimitives_(false),
     boundary_
@@ -715,7 +715,7 @@ Foam::polyMesh::polyMesh
             IOobject::NO_READ,
             IOobject::AUTO_WRITE
         ),
-        0
+        label(0)
     ),
     owner_
     (
@@ -728,7 +728,7 @@ Foam::polyMesh::polyMesh
             IOobject::NO_READ,
             IOobject::AUTO_WRITE
         ),
-        0
+        label(0)
     ),
     neighbour_
     (
@@ -741,7 +741,7 @@ Foam::polyMesh::polyMesh
             IOobject::NO_READ,
             IOobject::AUTO_WRITE
         ),
-        0
+        label(0)
     ),
     clearedPrimitives_(false),
     boundary_
diff --git a/src/finiteVolume/fvMesh/singleCellFvMesh/singleCellFvMesh.C b/src/finiteVolume/fvMesh/singleCellFvMesh/singleCellFvMesh.C
index d8ba0f1f94..94517daccd 100644
--- a/src/finiteVolume/fvMesh/singleCellFvMesh/singleCellFvMesh.C
+++ b/src/finiteVolume/fvMesh/singleCellFvMesh/singleCellFvMesh.C
@@ -414,7 +414,7 @@ Foam::singleCellFvMesh::singleCellFvMesh
             io.readOpt(),
             io.writeOpt()
         ),
-        0
+        label(0)
     ),
     patchFaceMap_
     (
diff --git a/src/lagrangian/parcel/submodels/Momentum/InjectionModel/PatchInjection/patchInjectionBase.C b/src/lagrangian/parcel/submodels/Momentum/InjectionModel/PatchInjection/patchInjectionBase.C
index 13286f0767..92453af3a6 100644
--- a/src/lagrangian/parcel/submodels/Momentum/InjectionModel/PatchInjection/patchInjectionBase.C
+++ b/src/lagrangian/parcel/submodels/Momentum/InjectionModel/PatchInjection/patchInjectionBase.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2013-2022 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2013-2023 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -156,7 +156,7 @@ void Foam::patchInjectionBase::setPositionAndCell
             }
         }
 
-        return 0;
+        return label(0);
     };
 
     const polyPatch& patch = mesh.boundaryMesh()[patchId_];