1 files changed, 1 insertions, 0 deletions

diff --git a/zconf.h.in b/zconf.h.in
index c6ec884..371f755 100644
--- a/zconf.h.in
+++ b/zconf.h.in
@@ -78,6 +78,7 @@
 #      define gzopen_w              z_gzopen_w
 #    endif
 #    define gzprintf              z_gzprintf
+#    define gzvprintf             z_gzvprintf
 #    define gzputc                z_gzputc
 #    define gzputs                z_gzputs
 #    define gzread                z_gzread