Always compile matchers implementation
diff --git a/include/catch.hpp b/include/catch.hpp
index 459aaca..7ff7c8b 100644
--- a/include/catch.hpp
+++ b/include/catch.hpp
@@ -20,6 +20,9 @@
 #if defined(CATCH_CONFIG_MAIN) || defined(CATCH_CONFIG_RUNNER)
 #  define CATCH_IMPL
 #  define CATCH_CONFIG_EXTERNAL_INTERFACES
+#  if defined(CATCH_CONFIG_DISABLE_MATCHERS)
+#    undef CATCH_CONFIG_DISABLE_MATCHERS
+#  endif
 #endif
 
 #include "internal/catch_platform.h"