diff --git a/src/modules/module-raop-sink.c b/src/modules/module-raop-sink.c
index 076c388d7..ef74d42e6 100644
--- a/src/modules/module-raop-sink.c
+++ b/src/modules/module-raop-sink.c
@@ -911,7 +911,6 @@ static int rtsp_record_reply(void *data, int status, const struct spa_dict *head
 	rtp_stream_set_first(impl->stream);
 
 	impl->sync = 0;
-	impl->sync_period = impl->rate / (impl->mtu / impl->stride);
 	impl->recording = true;
 
 	rtsp_send_volume(impl);
@@ -1916,8 +1915,6 @@ int pipewire__module_init(struct pw_impl_module *module, const char *args)
 	impl->rate = RAOP_RATE;
 	impl->latency = msec_to_samples(impl, RAOP_LATENCY_MS);
 	impl->stride = RAOP_STRIDE;
-	impl->mtu = impl->stride * impl->psamples;
-	impl->sync_period = impl->rate / impl->psamples;
 
 	if ((str = pw_properties_get(props, "raop.latency.ms")) == NULL)
 		str = SPA_STRINGIFY(DEFAULT_LATENCY_MS);
@@ -1946,7 +1943,7 @@ int pipewire__module_init(struct pw_impl_module *module, const char *args)
 	if (pw_properties_get(props, PW_KEY_MEDIA_FORMAT) == NULL)
 		pw_properties_setf(props, PW_KEY_MEDIA_FORMAT, "%d", SPA_AUDIO_FORMAT_S16_LE);
 	if (pw_properties_get(props, "net.mtu") == NULL)
-		pw_properties_setf(props, "net.mtu", "%d", impl->mtu);
+		pw_properties_set(props, "net.mtu", "1448");
 	if (pw_properties_get(props, "rtp.sender-ts-offset") == NULL)
 		pw_properties_setf(props, "rtp.sender-ts-offset", "%d", 0);
 	if (pw_properties_get(props, "sess.ts-direct") == NULL)
@@ -1982,6 +1979,8 @@ int pipewire__module_init(struct pw_impl_module *module, const char *args)
 	copy_props(impl, props, "sess.ts-refclk");
 	copy_props(impl, props, "sess.ts-direct");
 
+	impl->mtu = pw_properties_get_uint32(impl->props, "net.mtu", 1448);
+	impl->sync_period = impl->rate / (impl->mtu / impl->stride);
 	impl->core = pw_context_get_object(impl->context, PW_TYPE_INTERFACE_Core);
 	if (impl->core == NULL) {
 		str = pw_properties_get(props, PW_KEY_REMOTE_NAME);