diff --git a/src/functionObjects/utilities/codedFunctionObject/codedFunctionObject.H b/src/functionObjects/utilities/codedFunctionObject/codedFunctionObject.H
index 21c5a6ad94..e57e241802 100644
--- a/src/functionObjects/utilities/codedFunctionObject/codedFunctionObject.H
+++ b/src/functionObjects/utilities/codedFunctionObject/codedFunctionObject.H
@@ -55,12 +55,11 @@ Description
             // Lookup U
             const volVectorField& U = mesh().lookupObject<volVectorField>("U");
             // Write
-            mag(U).write();
-        }
+            mag(U)().write();
+        #};"
     }
     \endverbatim
 
-
 See also
     Foam::functionObject
     Foam::codedBase