diff --git a/gnucash/gnome-utils/dialog-commodity.cpp b/gnucash/gnome-utils/dialog-commodity.cpp
index 5be8fd61b3..29871a140a 100644
--- a/gnucash/gnome-utils/dialog-commodity.cpp
+++ b/gnucash/gnome-utils/dialog-commodity.cpp
@@ -1268,10 +1268,12 @@ gnc_ui_commodity_dialog_to_object(CommodityWindow * w)
             gnc_commodity_set_user_symbol(c, user_symbol);
 
             gnc_commodity_commit_edit(c);
+            g_free (name_space);
             return TRUE;
         }
         gnc_warning_dialog (GTK_WINDOW (w->dialog), "%s",
                             _("You may not create a new national currency."));
+        g_free (name_space);
         return FALSE;
     }
 
@@ -1283,6 +1285,7 @@ gnc_ui_commodity_dialog_to_object(CommodityWindow * w)
         gnc_warning_dialog (GTK_WINDOW (w->dialog),
                             _("%s is a reserved commodity type."
                             " Please use something else."), GNC_COMMODITY_NS_TEMPLATE);
+        g_free (name_space);
         return FALSE;
     }
 
diff --git a/gnucash/gnome/dialog-price-editor.c b/gnucash/gnome/dialog-price-editor.c
index 9d0d89aa7c..81476925d2 100644
--- a/gnucash/gnome/dialog-price-editor.c
+++ b/gnucash/gnome/dialog-price-editor.c
@@ -267,12 +267,18 @@ gui_to_price (PriceEditDialog *pedit_dialog)
 
     commodity = gnc_commodity_table_find_full(gnc_get_current_commodities(), name_space, fullname);
     if (!commodity)
+    {
+        g_free (name_space);
         return _("You must select a Security.");
+    }
 
     currency = gnc_currency_edit_get_currency
                (GNC_CURRENCY_EDIT (pedit_dialog->currency_edit));
     if (!currency)
+    {
+        g_free (name_space);
         return _("You must select a Currency.");
+    }
 
     date = gnc_date_edit_get_date (GNC_DATE_EDIT (pedit_dialog->date_edit));
 
@@ -286,7 +292,10 @@ gui_to_price (PriceEditDialog *pedit_dialog)
     gnc_amount_edit_set_fraction (GNC_AMOUNT_EDIT (pedit_dialog->price_edit), 0);
 
     if (!gnc_amount_edit_evaluate (GNC_AMOUNT_EDIT (pedit_dialog->price_edit), NULL))
+    {
+        g_free (name_space);
         return _("You must enter a valid amount.");
+    }
 
     value = gnc_amount_edit_get_amount
             (GNC_AMOUNT_EDIT (pedit_dialog->price_edit));
diff --git a/gnucash/import-export/qif-imp/assistant-qif-import.c b/gnucash/import-export/qif-imp/assistant-qif-import.c
index cfe5949a07..39c356c1a2 100644
--- a/gnucash/import-export/qif-imp/assistant-qif-import.c
+++ b/gnucash/import-export/qif-imp/assistant-qif-import.c
@@ -2851,13 +2851,11 @@ gnc_ui_qif_import_commodity_notebook_update_combos (QIFImportWindow * wind, gboo
 
     for (pageptr = wind->commodity_notebook_pages; pageptr; pageptr = pageptr->next)
     {
-        const gchar *ns;
-
         notebook_page = pageptr->data;
         comm_nb_page = g_object_get_data (G_OBJECT(notebook_page), "page_struct");
 
         /* Get any entered namespace. */
-        ns = gnc_ui_namespace_picker_ns (comm_nb_page->namespace_combo);
+        gchar *ns = gnc_ui_namespace_picker_ns (comm_nb_page->namespace_combo);
 
         /* Update the namespaces available to select. */
         if (!ns || !ns[0])
@@ -2873,6 +2871,7 @@ gnc_ui_qif_import_commodity_notebook_update_combos (QIFImportWindow * wind, gboo
         }
         else
             gnc_ui_update_namespace_picker (comm_nb_page->namespace_combo, ns, DIAG_COMM_ALL);
+        g_free (ns);
     }
 }