diff --git a/miniz_zip.c b/miniz_zip.c
index ab18cd4..cb5909a 100644
--- a/miniz_zip.c
+++ b/miniz_zip.c
@@ -97,7 +97,7 @@ static FILE *mz_freopen(const char *pPath, const char *pMode, FILE *pStream)
 #define MZ_FFLUSH fflush
 #define MZ_FREOPEN(f, m, s) freopen(f, m, s)
 #define MZ_DELETE_FILE remove
-#elif defined(__GNUC__) && _LARGEFILE64_SOURCE
+#elif defined(__GNUC__) && defined(_LARGEFILE64_SOURCE)
 #ifndef MINIZ_NO_TIME
 #include <utime.h>
 #endif