diff --git a/src/pipewire/conf.c b/src/pipewire/conf.c
index 1604fdef7..d27b439d3 100644
--- a/src/pipewire/conf.c
+++ b/src/pipewire/conf.c
@@ -215,7 +215,6 @@ found:
 SPA_EXPORT
 int pw_conf_save_state(const char *prefix, const char *name, struct pw_properties *conf)
 {
-	const struct spa_dict_item *it;
 	char path[PATH_MAX];
 	char *tmp_name;
 	int res, sfd, fd, count = 0;
@@ -234,14 +233,7 @@ int pw_conf_save_state(const char *prefix, const char *name, struct pw_propertie
 
 	f = fdopen(fd, "w");
 	fprintf(f, "{");
-	spa_dict_for_each(it, &conf->dict) {
-		char key[1024];
-
-		if (spa_json_encode_string(key, sizeof(key)-1, it->key) >= (int)sizeof(key)-1)
-			continue;
-
-		fprintf(f, "%s\n  %s: %s", count++ == 0 ? "" : ",", key, it->value);
-	}
+	count += pw_properties_serialize_dict(f, &conf->dict, PW_PROPERTIES_FLAG_NL);
 	fprintf(f, "%s}", count == 0 ? " " : "\n");
 	fclose(f);