diff --git a/libexec/tftpd/tests/functional.c b/libexec/tftpd/tests/functional.c
--- a/libexec/tftpd/tests/functional.c
+++ b/libexec/tftpd/tests/functional.c
@@ -319,7 +319,13 @@
 	ATF_REQUIRE_EQ(getcwd(pwd, sizeof(pwd)), pwd);
 	
 	/* Must bind(2) pre-fork so it happens before the client's send(2) */
-	ATF_REQUIRE((server_s = socket(protocol, SOCK_DGRAM, 0)) > 0);
+	server_s = socket(protocol, SOCK_DGRAM, 0);
+	if (server_s < 0 && errno == EAFNOSUPPORT) {
+		atf_tc_skip("This test requires IPv%d support",
+		    protocol == PF_INET ? 4 : 6);
+	}
+	ATF_REQUIRE_MSG(server_s >= 0,
+	    "socket failed with error %s", strerror(errno));
 	ATF_REQUIRE_EQ_MSG(bind(server_s, server_addr, len), 0,
 	    "bind failed with error %s", strerror(errno));