diff --git a/src/postProcessing/functionObjects/forces/forces/forces.H b/src/postProcessing/functionObjects/forces/forces/forces.H
index 42bb67c23b..e3f7cf03fb 100644
--- a/src/postProcessing/functionObjects/forces/forces/forces.H
+++ b/src/postProcessing/functionObjects/forces/forces/forces.H
@@ -160,6 +160,9 @@ protected:
         //- If the forces file has not been created create it
         void makeFile();
 
+        //- Output file header information
+        virtual void writeFileHeader();
+
         //- Return the effective viscous stress (laminar + turbulent).
         tmp<volSymmTensorField> devRhoReff() const;
 
@@ -176,9 +179,6 @@ protected:
         //- Disallow default bitwise assignment
         void operator=(const forces&);
 
-        //- Output file header information
-        virtual void writeFileHeader();
-
 
 public: