diff --git a/etc/codeTemplates/functionObject/FUNCTIONOBJECT.C b/etc/codeTemplates/functionObject/FUNCTIONOBJECT.C
index 6e2e207940..e1658786c3 100644
--- a/etc/codeTemplates/functionObject/FUNCTIONOBJECT.C
+++ b/etc/codeTemplates/functionObject/FUNCTIONOBJECT.C
@@ -27,6 +27,7 @@ License
 #include "Time.H"
 #include "fvMesh.H"
 #include "addToRunTimeSelectionTable.H"
+#include "volFields.H"
 
 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //