diff --git a/src/fbd-feedback-profile.c b/src/fbd-feedback-profile.c
index 28d6f29..94cbb36 100644
--- a/src/fbd-feedback-profile.c
+++ b/src/fbd-feedback-profile.c
@@ -58,7 +58,7 @@ fbd_feedback_profile_serializable_serialize_property (JsonSerializable *serializ
     GHashTableIter iter;
     gpointer key;
     FbdFeedbackProfile *profile;
-    JsonArray *array = json_array_sized_new (FBD_FEEDBACK_PROFILE_N_PROFILES);
+    g_autoptr (JsonArray) array = json_array_sized_new (FBD_FEEDBACK_PROFILE_N_PROFILES);
 
     g_hash_table_iter_init (&iter, self->feedbacks);
     while (g_hash_table_iter_next (&iter, (gpointer *)&key, (gpointer *) &profile)) {