diff --git a/contrib/netbsd-tests/lib/libc/locale/t_wcstod.c b/contrib/netbsd-tests/lib/libc/locale/t_wcstod.c
index 85b1ee16aaa9..ef857772683d 100644
--- a/contrib/netbsd-tests/lib/libc/locale/t_wcstod.c
+++ b/contrib/netbsd-tests/lib/libc/locale/t_wcstod.c
@@ -66,6 +66,10 @@ __RCSID("$NetBSD: t_wcstod.c,v 1.3 2011/10/01 17:56:11 christos Exp $");
 
 #include <atf-c.h>
 
+#if defined(__FreeBSD__)
+#include <stdio.h>
+#endif
+
 #define	ALT_HUGE_VAL		-1
 #define	ALT_MINUS_HUGE_VAL	-2
 #define	ALT_NAN			-3