diff --git a/third_party/zlib/zconf.h b/third_party/zlib/zconf.h
index 73662d804b..8cae8a91d5 100644
--- a/third_party/zlib/zconf.h
+++ b/third_party/zlib/zconf.h
@@ -331,6 +331,9 @@
 #ifndef FAR
 #  define FAR
 #endif
+#ifndef far
+#  define far
+#endif
 
 #if !defined(__MACTYPES__)
 typedef unsigned char  Byte;  /* 8 bits */