diff --git a/src/gswe-moment.c b/src/gswe-moment.c
index e526c07..4e83741 100644
--- a/src/gswe-moment.c
+++ b/src/gswe-moment.c
@@ -633,7 +633,7 @@ gswe_moment_add_planet(GsweMoment *moment, GswePlanet planet, GError **err)
     planet_data->planet_info = gswe_planet_info_ref(planet_info);
     planet_data->revision = 0;
 
-    moment->priv->planet_list = g_list_append(moment->priv->planet_list, gswe_planet_data_ref(planet_data));
+    moment->priv->planet_list = g_list_append(moment->priv->planet_list, planet_data);
 }
 
 static void