diff --git a/tests/test_seq.c b/tests/test_seq.c
index 22242ba..0e3dd15 100644
--- a/tests/test_seq.c
+++ b/tests/test_seq.c
@@ -1,5 +1,9 @@
 /* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later */
 
+#ifdef NDEBUG
+#undef NDEBUG
+#endif
+
 #include <assert.h>
 #include <stdlib.h>
 #include <stdio.h>