diff --git a/test/include/scope/let.cpp b/test/include/scope/let.cpp
index d87102b..d0f6d11 100644
--- a/test/include/scope/let.cpp
+++ b/test/include/scope/let.cpp
@@ -3,5 +3,6 @@
     Distributed under the Boost Software License, Version 1.0. (See accompanying
     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 ==============================================================================*/
+#define BOOST_PHOENIX_NO_SPECIALIZE_CUSTOM_TERMINAL
 #include <boost/phoenix/scope/let.hpp>
 int main() {}
diff --git a/test/include/scope/local_variable.cpp b/test/include/scope/local_variable.cpp
index 88df4c1..718f748 100644
--- a/test/include/scope/local_variable.cpp
+++ b/test/include/scope/local_variable.cpp
@@ -3,5 +3,6 @@
     Distributed under the Boost Software License, Version 1.0. (See accompanying
     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 ==============================================================================*/
+#define BOOST_PHOENIX_NO_SPECIALIZE_CUSTOM_TERMINAL
 #include <boost/phoenix/scope/local_variable.hpp>
 int main() {}
diff --git a/test/include/scope/this.cpp b/test/include/scope/this.cpp
index 14d7105..95b550c 100644
--- a/test/include/scope/this.cpp
+++ b/test/include/scope/this.cpp
@@ -3,5 +3,6 @@
     Distributed under the Boost Software License, Version 1.0. (See accompanying
     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 ==============================================================================*/
+#define BOOST_PHOENIX_NO_SPECIALIZE_CUSTOM_TERMINAL
 #include <boost/phoenix/scope/this.hpp>
 int main() {}