diff --git a/gtsam/base/concepts.h b/gtsam/base/concepts.h
index f951329a7..c9f76ca9f 100644
--- a/gtsam/base/concepts.h
+++ b/gtsam/base/concepts.h
@@ -19,7 +19,7 @@
 // This does something sensible:
 #define BOOST_CONCEPT_USAGE(concept) void check##concept()
 // These just ignore the concept checking for now:
-#define GTSAM_CONCEPT_ASSERT(concept) void*(concept)
+#define GTSAM_CONCEPT_ASSERT(concept) static_assert(true, "")
 #define GTSAM_CONCEPT_REQUIRES(concept, return_type) return_type
 #endif