diff --git a/src/func_create_ff.hpp b/src/func_create_ff.hpp
index 96f62a5f..e26de70f 100644
--- a/src/func_create_ff.hpp
+++ b/src/func_create_ff.hpp
@@ -23,7 +23,7 @@
 
 namespace Func2
 {
-  class CreateFF final : public Func::CreateBase
+  class CreateFF final : public Func2::CreateBase
   {
   public:
     CreateFF();