diff --git a/evutil.c b/evutil.c
index 5b380344..5f8f9b9a 100644
--- a/evutil.c
+++ b/evutil.c
@@ -644,7 +644,9 @@ evutil_parse_sockaddr_port(const char *ip_as_string, struct sockaddr *out, int *
 
 	if (!addr_part)
 		return -1; /* Should be impossible. */
-	if (is_ipv6) {
+#ifdef AF_INET6
+	if (is_ipv6)
+	{
 		struct sockaddr_in6 sin6;
 		memset(&sin6, 0, sizeof(sin6));
 #ifdef _EVENT_HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN
@@ -660,7 +662,10 @@ evutil_parse_sockaddr_port(const char *ip_as_string, struct sockaddr *out, int *
 		memcpy(out, &sin6, sizeof(sin6));
                 *outlen = sizeof(sin6);
 		return 0;
-	} else {
+	}
+	else
+#endif
+	{
 		struct sockaddr_in sin;
 		memset(&sin, 0, sizeof(sin));
 #ifdef _EVENT_HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
diff --git a/ipv6-internal.h b/ipv6-internal.h
index f1b34226..3cdcea62 100644
--- a/ipv6-internal.h
+++ b/ipv6-internal.h
@@ -31,6 +31,9 @@
 #define _EVENT_IPV6_INTERNAL_H
 
 #include <sys/types.h>
+#ifdef _EVENT_HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
 #include "event-config.h"
 #include <event2/util.h>