diff --git a/src/brei-shared.h b/src/brei-shared.h
index 6f25d43..d28c505 100644
--- a/src/brei-shared.h
+++ b/src/brei-shared.h
@@ -26,6 +26,10 @@
 
 #include "config.h"
 
+#ifdef NDEBUG
+#warning "This project relies on assert(). #defining NDEBUG is not recommended"
+#endif
+
 #include <stdarg.h>
 #include <stddef.h>
 #include <stdint.h>