Index: sys/contrib/openzfs/include/os/freebsd/spl/sys/types.h
===================================================================
--- sys/contrib/openzfs/include/os/freebsd/spl/sys/types.h
+++ sys/contrib/openzfs/include/os/freebsd/spl/sys/types.h
@@ -78,9 +78,6 @@
 typedef	mode_t		o_mode_t;
 typedef	uint64_t	pgcnt_t;
 
-#define	B_FALSE	0
-#define	B_TRUE	1
-
 typedef	short		index_t;
 typedef	off_t		offset_t;
 #ifndef _PTRDIFF_T_DECLARED
@@ -90,13 +87,17 @@
 typedef	int64_t		rlim64_t;
 typedef	int		major_t;
 
-#else
 #ifdef NEED_SOLARIS_BOOLEAN
 #if defined(__XOPEN_OR_POSIX)
 typedef enum { _B_FALSE, _B_TRUE }	boolean_t;
 #else
 typedef enum { B_FALSE, B_TRUE }	boolean_t;
 #endif /* defined(__XOPEN_OR_POSIX) */
+#else
+
+#define	B_FALSE	0
+#define	B_TRUE	1
+
 #endif
 
 typedef	u_longlong_t	u_offset_t;