diff --git a/libtap/tap/files.c b/libtap/tap/files.c
index 0c24075..d33db6c 100644
--- a/libtap/tap/files.c
+++ b/libtap/tap/files.c
@@ -27,6 +27,10 @@
 #include <sys/types.h>
 #include <unistd.h>
 
+#ifndef O_NOFOLLOW
+#define O_NOFOLLOW 0
+#endif
+
 char *test_mkdtemp(void)
 {
 	char *tmpdir = getenv("TMPDIR");