diff -Naur libnut-r681.orig/libnut/priv.h libnut-r681/libnut/priv.h
--- libnut-r681.orig/libnut/priv.h	2013-11-09 09:31:47.000000000 -0800
+++ libnut-r681/libnut/priv.h	2013-11-23 16:56:13.085645547 -0800
@@ -45,7 +45,7 @@
 #define ABS(a) ((a) > 0 ? (a) : -(a))
 
 #if (defined(__MINGW32__) && !defined(__MINGW64_VERSION_MAJOR))
-#define ftello(a) ((off_t)(_ftelli64(a)))
+#define ftello(a) ((off_t)(ftello64(a)))
 #endif
 
 typedef struct {