1 files changed, 1 insertions, 0 deletions

diff --git a/zconf.h b/zconf.h
index 97d2fcd..4a52aed 100644
--- a/zconf.h
+++ b/zconf.h
@@ -59,6 +59,7 @@
 #  define deflateSetDictionary  z_deflateSetDictionary
 #  define deflateSetHeader      z_deflateSetHeader
 #  define deflateTune           z_deflateTune
+#  define deflateUsed           z_deflateUsed
 #  define deflate_copyright     z_deflate_copyright
 #  define get_crc_table         z_get_crc_table
 #  ifndef Z_SOLO