diff --git a/zlib/gzguts.h b/zlib/gzguts.h
index 0f8fb79f8..e554830f6 100644
--- a/zlib/gzguts.h
+++ b/zlib/gzguts.h
@@ -18,8 +18,8 @@
 #  define ZLIB_INTERNAL
 #endif
 
-#include <stdio.h>
 #include "zlib.h"
+#include <stdio.h>
 #ifdef STDC
 #  include <string.h>
 #  include <stdlib.h>