diff --git a/get_next_line/include/get_next_line.h b/get_next_line/include/get_next_line.h
index 3c646c7..dd05e2b 100644
--- a/get_next_line/include/get_next_line.h
+++ b/get_next_line/include/get_next_line.h
@@ -17,10 +17,8 @@
 # define DONE 0
 # define BUFFER_SIZE 10
 
-# ifdef __GNU__
-#  define PATH_MAX 4096
-#  define MAXPATHLEN 4096
-#  define OPEN_MAX 256 /* We define a reasonable limit.  */
+# ifdef OPEN_MAX
+#  define OPEN_MAX 256.
 # endif
 
 # include <stdlib.h>