diff --git a/lib/zlib/inftrees.h b/lib/zlib/inftrees.h
index f536653..a10712d 100644
--- a/lib/zlib/inftrees.h
+++ b/lib/zlib/inftrees.h
@@ -57,6 +57,6 @@
     DISTS
 } codetype;
 
-int ZLIB_INTERNAL inflate_table OF((codetype type, unsigned short FAR *lens,
-                             unsigned codes, code FAR * FAR *table,
-                             unsigned FAR *bits, unsigned short FAR *work));
+int ZLIB_INTERNAL inflate_table(codetype type, unsigned short FAR *lens,
+                                unsigned codes, code FAR * FAR *table,
+                                unsigned FAR *bits, unsigned short FAR *work);