diff --git a/README b/README
index 2853364..15e2307 100644
--- a/README
+++ b/README
@@ -39,6 +39,7 @@ GOBJECT_LIST_DISPLAY:
 	 • ‘refs’: Print information about every reference increment and
 	           decrement on objects.
 	 • ‘backtrace’: Include backtraces with every printed message.
+	 • ‘tracerefs’: At exit, for each object still alive, print a call tree.
 	 • ‘all’: All of the above.
 
 GOBJECT_LIST_FILTER:
diff --git a/gobject-list.c b/gobject-list.c
index b77c4ec..966130f 100644
--- a/gobject-list.c
+++ b/gobject-list.c
@@ -411,7 +411,7 @@ _object_finalized (G_GNUC_UNUSED gpointer data,
   g_hash_table_remove (gobject_list_state.objects, obj);
   g_hash_table_remove (gobject_list_state.added, obj);
 #ifdef WITH_ORIGINS_TRACE
-  g_hash_table_remove (gobject_list_state.origins, obj);
+  g_hash_table_remove (gobject_list_state.origins, G_OBJECT_TYPE_NAME (obj));
 #endif
 
   G_UNLOCK (gobject_list);