diff --git a/src/modules/module-raop-sink.c b/src/modules/module-raop-sink.c
index b6946308c..a69a01c41 100644
--- a/src/modules/module-raop-sink.c
+++ b/src/modules/module-raop-sink.c
@@ -1538,6 +1538,9 @@ static void rtsp_connected(void *data)
 	pw_properties_setf(impl->headers, "Client-Instance",
 			"%08X%08X", sci[0], sci[1]);
 
+	pw_properties_setf(impl->headers, "DACP-ID",
+			"%08X%08X", sci[0], sci[1]);
+
 	pw_properties_set(impl->headers, "User-Agent", DEFAULT_USER_AGENT);
 
 	pw_rtsp_client_send(impl->rtsp, "OPTIONS", &impl->headers->dict,