diff --git a/tests/unistd_nofortify_test.cpp b/tests/unistd_nofortify_test.cpp
new file mode 100644
index 0000000..29966e9
--- /dev/null
+++ b/tests/unistd_nofortify_test.cpp
@@ -0,0 +1,12 @@
+
+#ifdef _FORTIFY_SOURCE
+#undef _FORTIFY_SOURCE
+#endif
+
+#define NOFORTIFY
+
+#include "unistd_test.cpp"
+
+#if defined(_FORTIFY_SOURCE)
+#error "_FORTIFY_SOURCE has been redefined, fix the code to remove this redefinition."
+#endif