diff --git a/include/boost/regex/config.hpp b/include/boost/regex/config.hpp
index d85156b9..34ce6b01 100644
--- a/include/boost/regex/config.hpp
+++ b/include/boost/regex/config.hpp
@@ -54,6 +54,10 @@
 #  endif
 #endif
 
+#ifdef __MWERKS__
+#  define BOOST_REGEX_NO_EXTERNAL_TEMPLATES
+#endif
+
 
 
 /*****************************************************************************
@@ -597,3 +601,4 @@ inline void pointer_construct(T* p, const T& t)
 
 #endif
 
+