diff --git a/neo/framework/miniz/minizconf.h b/neo/framework/miniz/minizconf.h
index 982ca5f3..a3eee486 100644
--- a/neo/framework/miniz/minizconf.h
+++ b/neo/framework/miniz/minizconf.h
@@ -50,7 +50,7 @@
 #endif
 
 // FIXME: why not just set this to int64_t?
-#if !defined(_WIN32) && defined(Z_LARGE64)
+#if !defined(_WIN32) && defined(__USE_LARGEFILE64)
   #define z_off64_t off64_t
 #else
   #if defined(_WIN32)