diff --git a/src/dns.c b/src/dns.c
index a74bd36..79a7a0d 100644
--- a/src/dns.c
+++ b/src/dns.c
@@ -45,7 +45,7 @@
 #include <proto/sample.h>
 #include <proto/server.h>
 #include <proto/task.h>
-#include <proto/proto_udp.h>
+#include <haproxy/proto_udp.h>
 #include <proto/proxy.h>
 #include <proto/stream_interface.h>
 #include <proto/tcp_rules.h>