diff --git a/contrib/netbsd-tests/lib/libc/stdlib/h_getopt_long.c b/contrib/netbsd-tests/lib/libc/stdlib/h_getopt_long.c
index 17258f5fef9..f5ded273de4 100644
--- a/contrib/netbsd-tests/lib/libc/stdlib/h_getopt_long.c
+++ b/contrib/netbsd-tests/lib/libc/stdlib/h_getopt_long.c
@@ -36,6 +36,9 @@
 #include <string.h>
 #include <stdlib.h>
 #include <unistd.h>
+#if defined(__FreeBSD__)
+#include <libutil.h>
+#endif
 
 #define SKIPWS(p)	while (isspace((int)(*p))) p++
 #define	WS	"\t\n "