1 files changed, 1 insertions, 1 deletions
diff --git a/gzlib.c b/gzlib.c
index d1b6253..1839002 100644
--- a/gzlib.c
+++ b/gzlib.c
@@ -5,7 +5,7 @@
 
 #include "gzguts.h"
 
-#if _LARGEFILE64_SOURCE && _LFS64_LARGEFILE
+#if defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0
 #  define LSEEK lseek64
 #else
 #  define LSEEK lseek