diff --git a/src/OpenFOAM/fields/pointPatchFields/basic/fixedValue/fixedValuePointPatchField.H b/src/OpenFOAM/fields/pointPatchFields/basic/fixedValue/fixedValuePointPatchField.H
index 5c8f1466bd..d739bc239f 100644
--- a/src/OpenFOAM/fields/pointPatchFields/basic/fixedValue/fixedValuePointPatchField.H
+++ b/src/OpenFOAM/fields/pointPatchFields/basic/fixedValue/fixedValuePointPatchField.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) 2011-2012 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -121,6 +121,17 @@ public:
         }
 
 
+    // Member functions
+
+        // Access
+
+            //- Return true if this patch field fixes a value
+            virtual bool fixesValue() const
+            {
+                return true;
+            }
+
+
     // Member operators
 
         // Disable assignment operators
diff --git a/src/OpenFOAM/fields/pointPatchFields/pointPatchField/pointPatchField.H b/src/OpenFOAM/fields/pointPatchFields/pointPatchField/pointPatchField.H
index 5c3b19d8e7..39b1c9e551 100644
--- a/src/OpenFOAM/fields/pointPatchFields/pointPatchField/pointPatchField.H
+++ b/src/OpenFOAM/fields/pointPatchFields/pointPatchField/pointPatchField.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) 2011-2012 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -278,6 +278,12 @@ public:
                 return internalField_;
             }
 
+            //- Return true if this patch field fixes a value
+            virtual bool fixesValue() const
+            {
+                return false;
+            }
+
             //- Return true if this patch field is coupled
             virtual bool coupled() const
             {