diff --git a/src/modules/module-protocol-pulse/module-loopback.c b/src/modules/module-protocol-pulse/module-loopback.c
index d873c0608..9836ea289 100644
--- a/src/modules/module-protocol-pulse/module-loopback.c
+++ b/src/modules/module-protocol-pulse/module-loopback.c
@@ -150,8 +150,14 @@ static int module_loopback_load(struct client *client, struct module *module)
 			&out_stream_events, data);
 
 	n_params = 0;
-	params[n_params++] = spa_format_audio_raw_build(&b, SPA_PARAM_EnumFormat,
-			&data->info);
+	params[n_params++] = spa_pod_builder_add_object(&b,
+                        SPA_TYPE_OBJECT_Format, SPA_PARAM_EnumFormat,
+                        SPA_FORMAT_mediaType,           SPA_POD_Id(SPA_MEDIA_TYPE_audio),
+                        SPA_FORMAT_mediaSubtype,        SPA_POD_Id(SPA_MEDIA_SUBTYPE_raw),
+                        SPA_FORMAT_AUDIO_format,        SPA_POD_Id(data->info.format),
+                        SPA_FORMAT_AUDIO_channels,      SPA_POD_Int(data->info.channels),
+                        SPA_FORMAT_AUDIO_position,      SPA_POD_Array(sizeof(uint32_t),
+				SPA_TYPE_Id, data->info.channels, data->info.position));
 
 	if ((res = pw_stream_connect(data->capture,
 			PW_DIRECTION_INPUT,
@@ -236,21 +242,7 @@ static struct module *create_module_loopback(struct impl *impl, const char *argu
 		pw_properties_set(props, "sink", NULL);
 	}
 
-	if ((str = pw_properties_get(props, "format")) != NULL) {
-		info.format = format_paname2id(str, strlen(str));
-		if (info.format == SPA_AUDIO_FORMAT_UNKNOWN)
-			ERROR_RETURN("Unknown format specified");
-		pw_properties_set(props, "format", NULL);
-	} else {
-		info.format = SPA_AUDIO_FORMAT_F32P;
-	}
-
-	if ((str = pw_properties_get(props, "rate")) != NULL) {
-		info.rate = pw_properties_parse_int(str);
-		pw_properties_set(props, "rate", NULL);
-	} else {
-		info.rate = 48000;
-	}
+	info.format = SPA_AUDIO_FORMAT_F32P;
 
 	if ((str = pw_properties_get(props, "channels")) != NULL) {
 		info.channels = pw_properties_parse_int(str);