diff --git a/test/stable_vector_test.cpp b/test/stable_vector_test.cpp
index c76675c..be1b91e 100644
--- a/test/stable_vector_test.cpp
+++ b/test/stable_vector_test.cpp
@@ -7,7 +7,7 @@
 // See http://www.boost.org/libs/container for documentation.
 //
 //////////////////////////////////////////////////////////////////////////////
-
+#define STABLE_VECTOR_ENABLE_INVARIANT_CHECKING
 #include <boost/container/detail/config_begin.hpp>
 #include <memory>