diff --git a/libgnucash/engine/gnc-commodity.cpp b/libgnucash/engine/gnc-commodity.cpp
index 511bde5471b..3006e8382d4 100644
--- a/libgnucash/engine/gnc-commodity.cpp
+++ b/libgnucash/engine/gnc-commodity.cpp
@@ -2198,7 +2198,7 @@ gnc_commodity_table_destroy(gnc_commodity_table * t)
     if (!t) return;
     ENTER ("table=%p", t);
 
-    for (auto ns : t->ns_vec)
+    for (auto ns = t->ns_vec.rbegin(); ns != t->ns_vec.rend(); ++ns)
         gnc_commodity_table_delete_namespace(t, ns->name);
 
     t->ns_vec.~CommNSVec ();