1 files changed, 1 insertions, 1 deletions
diff --git a/minigzip.c b/minigzip.c
index f43cb54..9825ccc 100644
--- a/minigzip.c
+++ b/minigzip.c
@@ -53,7 +53,7 @@
 #  include <unix.h> /* for fileno */
 #endif
 
-#if !defined(Z_HAVE_UNISTD_H) && _LARGEFILE64_SOURCE+0 != 1
+#if !defined(Z_HAVE_UNISTD_H) && !defined(_LARGEFILE64_SOURCE)
 #ifndef WIN32 /* unlink already in stdio.h for WIN32 */
   extern int unlink OF((const char *));
 #endif