diff --git a/src/OpenFOAM/meshes/polyMesh/polyMesh.H b/src/OpenFOAM/meshes/polyMesh/polyMesh.H
index fc1b6e63d6..47fe014d60 100644
--- a/src/OpenFOAM/meshes/polyMesh/polyMesh.H
+++ b/src/OpenFOAM/meshes/polyMesh/polyMesh.H
@@ -309,7 +309,7 @@ public:
         //- Construct from IOobject
         explicit polyMesh(const IOobject& io);
 
-        //- Construct without boundary from components.
+        //- Construct from IOobject or from components.
         //  Boundary is added using addPatches() member function
         polyMesh
         (
diff --git a/src/OpenFOAM/meshes/polyMesh/zones/ZoneMesh/ZoneMesh.C b/src/OpenFOAM/meshes/polyMesh/zones/ZoneMesh/ZoneMesh.C
index eeec0974d6..0c0525d9ee 100644
--- a/src/OpenFOAM/meshes/polyMesh/zones/ZoneMesh/ZoneMesh.C
+++ b/src/OpenFOAM/meshes/polyMesh/zones/ZoneMesh/ZoneMesh.C
@@ -70,20 +70,8 @@ void Foam::ZoneMesh<ZoneType, MeshType>::calcZoneMap() const
 }
 
 
-// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
-
-// Read constructor given IOobject and a MeshType reference
 template<class ZoneType, class MeshType>
-Foam::ZoneMesh<ZoneType, MeshType>::ZoneMesh
-(
-    const IOobject& io,
-    const MeshType& mesh
-)
-:
-    PtrList<ZoneType>(),
-    regIOobject(io),
-    mesh_(mesh),
-    zoneMapPtr_(NULL)
+bool Foam::ZoneMesh<ZoneType, MeshType>::read()
 {
     if
     (
@@ -137,15 +125,36 @@ Foam::ZoneMesh<ZoneType, MeshType>::ZoneMesh
         );
 
         close();
+
+        return true;
     }
     else
     {
-        // No files found.  Force a write of zero-sized zones
-        // write();
+        // Nothing read
+        return false;
     }
 }
 
 
+// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
+
+// Read constructor given IOobject and a MeshType reference
+template<class ZoneType, class MeshType>
+Foam::ZoneMesh<ZoneType, MeshType>::ZoneMesh
+(
+    const IOobject& io,
+    const MeshType& mesh
+)
+:
+    PtrList<ZoneType>(),
+    regIOobject(io),
+    mesh_(mesh),
+    zoneMapPtr_(NULL)
+{
+    read();
+}
+
+
 // Construct given size. Zones will be set later
 template<class ZoneType, class MeshType>
 Foam::ZoneMesh<ZoneType, MeshType>::ZoneMesh
@@ -159,13 +168,16 @@ Foam::ZoneMesh<ZoneType, MeshType>::ZoneMesh
     regIOobject(io),
     mesh_(mesh),
     zoneMapPtr_(NULL)
-{}
+{
+    // Optionally read contents, otherwise keep size
+    read();
+}
 
 
 template<class ZoneType, class MeshType>
 Foam::ZoneMesh<ZoneType, MeshType>::ZoneMesh
 (
-    const IOobject& io ,
+    const IOobject& io,
     const MeshType& mesh,
     const PtrList<ZoneType>& pzm
 )
@@ -175,10 +187,9 @@ Foam::ZoneMesh<ZoneType, MeshType>::ZoneMesh
     mesh_(mesh),
     zoneMapPtr_(NULL)
 {
-    ZoneMesh<ZoneType, MeshType>(io, mesh);
-
-    if (this->size() == 0)
+    if (!read())
     {
+        // Nothing read. Use supplied zones
         PtrList<ZoneType>& zones = *this;
         zones.setSize(pzm.size());
         forAll (zones, zoneI)
@@ -188,6 +199,7 @@ Foam::ZoneMesh<ZoneType, MeshType>::ZoneMesh
     }
 }
 
+
 // * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
 template<class ZoneType, class MeshType>
diff --git a/src/OpenFOAM/meshes/polyMesh/zones/ZoneMesh/ZoneMesh.H b/src/OpenFOAM/meshes/polyMesh/zones/ZoneMesh/ZoneMesh.H
index 96868c359a..d0bb099026 100644
--- a/src/OpenFOAM/meshes/polyMesh/zones/ZoneMesh/ZoneMesh.H
+++ b/src/OpenFOAM/meshes/polyMesh/zones/ZoneMesh/ZoneMesh.H
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2013 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -37,7 +37,7 @@ SourceFiles
 
 #include "List.H"
 #include "regIOobject.H"
-#include "pointFieldsFwd.H"
+#include "pointField.H"
 #include "Map.H"
 #include "PackedBoolList.H"
 
@@ -76,6 +76,9 @@ class ZoneMesh
 
     // Private Member Functions
 
+        //- Read if IOobject flags set. Return true if read.
+        bool read();
+
         //- Disallow construct as copy
         ZoneMesh(const ZoneMesh&);