diff --git a/include/boost/fusion/functional/adapter/unfused_generic.hpp b/include/boost/fusion/functional/adapter/unfused_generic.hpp
index eae10f12..ec3f869e 100644
--- a/include/boost/fusion/functional/adapter/unfused_generic.hpp
+++ b/include/boost/fusion/functional/adapter/unfused_generic.hpp
@@ -39,7 +39,7 @@ namespace boost { namespace fusion
     {
         Function fnc_transformed;
 
-        template <class D, class F, bool E>
+        template <class D, class F, bool EC, bool E>
         friend struct detail::nullary_call_base;
 
         typedef detail::nullary_call_base<
diff --git a/include/boost/fusion/functional/adapter/unfused_lvalue_args.hpp b/include/boost/fusion/functional/adapter/unfused_lvalue_args.hpp
index cd8e0508..ce205a43 100644
--- a/include/boost/fusion/functional/adapter/unfused_lvalue_args.hpp
+++ b/include/boost/fusion/functional/adapter/unfused_lvalue_args.hpp
@@ -38,7 +38,7 @@ namespace boost { namespace fusion
     {
         Function fnc_transformed;
 
-        template <class D, class F, bool E>
+        template <class D, class F, bool EC, bool E>
         friend struct detail::nullary_call_base;
 
         typedef detail::nullary_call_base<
diff --git a/include/boost/fusion/functional/adapter/unfused_rvalue_args.hpp b/include/boost/fusion/functional/adapter/unfused_rvalue_args.hpp
index 9fbbabfc..2320ecf9 100644
--- a/include/boost/fusion/functional/adapter/unfused_rvalue_args.hpp
+++ b/include/boost/fusion/functional/adapter/unfused_rvalue_args.hpp
@@ -38,7 +38,7 @@ namespace boost { namespace fusion
     {
         Function fnc_transformed;
 
-        template <class D, class F, bool E>
+        template <class D, class F, bool EC, bool E>
         friend struct detail::nullary_call_base;
 
         typedef detail::nullary_call_base<
diff --git a/include/boost/fusion/functional/adapter/unfused_typed.hpp b/include/boost/fusion/functional/adapter/unfused_typed.hpp
index 54a2049a..2e0743c7 100644
--- a/include/boost/fusion/functional/adapter/unfused_typed.hpp
+++ b/include/boost/fusion/functional/adapter/unfused_typed.hpp
@@ -89,7 +89,7 @@ namespace boost { namespace fusion
         template <class D, class F, class S, long A, bool EO>
         friend struct detail::unfused_typed_impl;
 
-        template <class D, class F, bool E>
+        template <class D, class F, bool EC, bool E>
         friend struct detail::nullary_call_base;
 
         typedef typename remove_const<typename boost::remove_reference<Function>::type>::type function;