diff --git a/include/wine/port.h b/include/wine/port.h
index 6ab0627cd7198dd490501a88f14b90558f16811f..b8009cc127d790efc8300f503a71721adf74d6f0 100644
--- a/include/wine/port.h
+++ b/include/wine/port.h
@@ -276,7 +276,7 @@ int ffs( int x );
 
 #ifndef HAVE_FUTIMES
 struct timeval;
-int futimes(int fd, const struct timeval tv[2]);
+int futimes(int fd, const struct timeval *tv);
 #endif
 
 #ifndef HAVE_GETPAGESIZE