diff --git a/include/boost/lambda/detail/make_void.hpp b/include/boost/lambda/detail/make_void.hpp
index 09cc9fb..d664a71 100644
--- a/include/boost/lambda/detail/make_void.hpp
+++ b/include/boost/lambda/detail/make_void.hpp
@@ -28,7 +28,7 @@ namespace lambda {
 
 template<> struct return_void_action<other_action<identity_action> > {
   template<class RET, class A>
-  RET static apply(A& a) { a; }
+  static RET apply(A& a) { a; }
 };