diff --git a/include/u.h b/include/u.h
index 5f53736f..e4279179 100644
--- a/include/u.h
+++ b/include/u.h
@@ -34,6 +34,9 @@ extern "C" {
 #if defined(__AIX__)
 #	define _XOPEN_SOURCE 1
 #endif
+#if defined(__APPLE__)
+#	define _DARWIN_NO_64_BIT_INODE	/* Snow Leopard */
+#endif
 #define _LARGEFILE64_SOURCE 1
 #define _FILE_OFFSET_BITS 64
 
diff --git a/src/lib9/dirread.c b/src/lib9/dirread.c
index 58fdfdbd..74dd1422 100644
--- a/src/lib9/dirread.c
+++ b/src/lib9/dirread.c
@@ -1,7 +1,3 @@
-#if defined(__APPLE__)
-#define _DARWIN_NO_64_BIT_INODE	/* Snow Leopard */
-#endif
-
 #include <u.h>
 #define NOPLAN9DEFINES
 #include <libc.h>