diff --git a/src/network/getaddrinfo.c b/src/network/getaddrinfo.c
index e58db6cf444468a5ff338e80ccb8cf2d34f059e1..5d45be747a455ed3f9a5101d0f89f694c80cd78f 100644
--- a/src/network/getaddrinfo.c
+++ b/src/network/getaddrinfo.c
@@ -62,6 +62,9 @@ int getaddrinfo(const char *restrict host, const char *restrict serv, const stru
 	int result;
 	int cnt;
 
+	if (family != AF_INET && family != AF_INET6 && family != AF_UNSPEC)
+		return EAI_FAMILY;
+
 	if (host && strlen(host)>255) return EAI_NONAME;
 	if (serv && strlen(serv)>32) return EAI_SERVICE;