diff --git a/objects/pflash/ccan/build_assert/test/run-BUILD_ASSERT_OR_ZERO.c b/objects/pflash/ccan/build_assert/test/run-BUILD_ASSERT_OR_ZERO.c
new file mode 100644
index 0000000..a5450f1
--- /dev/null
+++ b/objects/pflash/ccan/build_assert/test/run-BUILD_ASSERT_OR_ZERO.c
@@ -0,0 +1,9 @@
+#include <ccan/build_assert/build_assert.h>
+#include <ccan/tap/tap.h>
+
+int main(int argc, char *argv[])
+{
+	plan_tests(1);
+	ok1(BUILD_ASSERT_OR_ZERO(1 == 1) == 0);
+	return exit_status();
+}