diff --git a/libfwupd/fwupd-remote.c b/libfwupd/fwupd-remote.c
index 189bdd1c2..4c7c5ca32 100644
--- a/libfwupd/fwupd-remote.c
+++ b/libfwupd/fwupd-remote.c
@@ -924,6 +924,7 @@ fwupd_remote_finalize (GObject *obj)
 
 	g_free (self->id);
 	g_free (self->metadata_uri);
+	g_free (self->metadata_uri_sig);
 	g_free (self->firmware_base_uri);
 	g_free (self->username);
 	g_free (self->password);