diff --git a/tests/zfs-tests/cmd/statx.c b/tests/zfs-tests/cmd/statx.c
index 89939f6efb40..1acc7e58c5ce 100644
--- a/tests/zfs-tests/cmd/statx.c
+++ b/tests/zfs-tests/cmd/statx.c
@@ -109,6 +109,9 @@ _statx(int fd, const char *path, int flags, unsigned int mask, void *stx)
 #ifndef STATX_DIOALIGN
 #define	STATX_DIOALIGN	(1<<13)
 #endif
+#ifndef S_IFMT
+#define	S_IFMT 0170000
+#endif
 
 typedef struct {
 	int64_t		tv_sec;