diff --git a/tests/sys/file/newfileops_on_fork_test.c b/tests/sys/file/newfileops_on_fork_test.c
index d63bd4d1c3b..813615bfebc 100644
--- a/tests/sys/file/newfileops_on_fork_test.c
+++ b/tests/sys/file/newfileops_on_fork_test.c
@@ -50,7 +50,9 @@
 #include <string.h>
 #include <unistd.h>
 
+#ifndef PORT
 #define	PORT	9000
+#endif
 
 static int listen_fd;