diff --git a/gnucash/gnome-utils/dialog-query-view.c b/gnucash/gnome-utils/dialog-query-view.c
index 824755fb19..44543c70ce 100644
--- a/gnucash/gnome-utils/dialog-query-view.c
+++ b/gnucash/gnome-utils/dialog-query-view.c
@@ -177,7 +177,7 @@ gnc_dialog_query_view_close (GtkButton *button, DialogQueryView *dqv)
 /* PUBLIC INTERFACES */
 
 DialogQueryView *
-gnc_dialog_query_view_new (GList *param_list, Query *q)
+gnc_dialog_query_view_new (GtkWindow *parent, GList *param_list, Query *q)
 {
     GtkBuilder  *builder;
     DialogQueryView *dqv;
@@ -191,6 +191,7 @@ gnc_dialog_query_view_new (GList *param_list, Query *q)
     /* Grab the dialog, save the dialog info */
     dqv->dialog = GTK_WIDGET(gtk_builder_get_object (builder, "query_view_dialog"));
     g_object_set_data (G_OBJECT (dqv->dialog), "dialog-info", dqv);
+    gtk_window_set_transient_for(GTK_WINDOW(dqv->dialog), parent);
 
     // Set the style context for this dialog so it can be easily manipulated with css
     gnc_widget_set_style_context (GTK_WIDGET(dqv->dialog), "GncQueryViewDialog");
@@ -313,7 +314,7 @@ void gnc_dialog_query_view_destroy (DialogQueryView *dqv)
 }
 
 DialogQueryView *
-gnc_dialog_query_view_create (GList *param_list, Query *q,
+gnc_dialog_query_view_create (GtkWindow *parent, GList *param_list, Query *q,
                               const char *title, const char *label,
                               gboolean abs, gboolean inv_sort,
                               gint sort_column, GtkSortType order,
@@ -324,7 +325,7 @@ gnc_dialog_query_view_create (GList *param_list, Query *q,
     if (!param_list || !q)
         return NULL;
 
-    dqv = gnc_dialog_query_view_new (param_list, q);
+    dqv = gnc_dialog_query_view_new (parent, param_list, q);
     if (!dqv)
         return NULL;
 
diff --git a/gnucash/gnome-utils/dialog-query-view.h b/gnucash/gnome-utils/dialog-query-view.h
index 4aefded1ef..96676af5d6 100644
--- a/gnucash/gnome-utils/dialog-query-view.h
+++ b/gnucash/gnome-utils/dialog-query-view.h
@@ -39,7 +39,7 @@ typedef struct
 } GNCDisplayViewButton;
 
 DialogQueryView *
-gnc_dialog_query_view_new (GList *param_list, Query *q);
+gnc_dialog_query_view_new (GtkWindow *parent, GList *param_list, Query *q);
 
 void gnc_dialog_query_view_set_title (DialogQueryView *dqv, const char *title);
 void gnc_dialog_query_view_set_label (DialogQueryView *dqv, const char *label);
@@ -53,7 +53,7 @@ void gnc_dialog_query_view_refresh (DialogQueryView *dqv);
 void gnc_dialog_query_view_destroy (DialogQueryView *dqv);
 
 DialogQueryView *
-gnc_dialog_query_view_create (GList *param_list, Query *q,
+gnc_dialog_query_view_create (GtkWindow *parent, GList *param_list, Query *q,
                               const char *title, const char *label,
                               gboolean abs, gboolean inv_sort,
                               gint sort_column, GtkSortType order,
diff --git a/gnucash/gnome/dialog-invoice.c b/gnucash/gnome/dialog-invoice.c
index 1a93602a35..f799d4e4dc 100644
--- a/gnucash/gnome/dialog-invoice.c
+++ b/gnucash/gnome/dialog-invoice.c
@@ -210,7 +210,7 @@ struct _invoice_window
 void gnc_invoice_window_closeCB (GtkWidget *widget, gpointer data);
 void gnc_invoice_window_active_toggled_cb (GtkWidget *widget, gpointer data);
 gboolean gnc_invoice_window_leave_notes_cb (GtkWidget *widget, GdkEventFocus *event, gpointer data);
-DialogQueryView *gnc_invoice_show_bills_due (QofBook *book, double days_in_advance, GncWhichDueType duetype);
+DialogQueryView *gnc_invoice_show_docs_due (GtkWindow *parent, QofBook *book, double days_in_advance, GncWhichDueType duetype);
 
 #define INV_WIDTH_PREFIX "invoice_reg"
 #define BILL_WIDTH_PREFIX "bill_reg"
@@ -3276,7 +3276,7 @@ gnc_invoice_search (GncInvoice *start, GncOwner *owner, QofBook *book)
 }
 
 DialogQueryView *
-gnc_invoice_show_bills_due (QofBook *book, double days_in_advance, GncWhichDueType duetype)
+gnc_invoice_show_docs_due (GtkWindow *parent, QofBook *book, double days_in_advance, GncWhichDueType duetype)
 {
     QofIdType type = GNC_INVOICE_MODULE_NAME;
     Query *q;
@@ -3411,7 +3411,7 @@ gnc_invoice_show_bills_due (QofBook *book, double days_in_advance, GncWhichDueTy
                       len);
         title = _("Due Invoices Reminder");
     }
-    dialog = gnc_dialog_query_view_create(param_list, q,
+    dialog = gnc_dialog_query_view_create(parent, param_list, q,
                                           title,
                                           message,
                                           TRUE, FALSE,
@@ -3426,7 +3426,7 @@ gnc_invoice_show_bills_due (QofBook *book, double days_in_advance, GncWhichDueTy
 }
 
 void
-gnc_invoice_remind_bills_due (void)
+gnc_invoice_remind_bills_due (GtkWindow *parent)
 {
     QofBook *book;
     gint days;
@@ -3435,11 +3435,11 @@ gnc_invoice_remind_bills_due (void)
     book = qof_session_get_book(gnc_get_current_session());
     days = gnc_prefs_get_float(GNC_PREFS_GROUP_BILL, GNC_PREF_DAYS_IN_ADVANCE);
 
-    gnc_invoice_show_bills_due(book, days, DUE_FOR_VENDOR);
+    gnc_invoice_show_docs_due (parent, book, days, DUE_FOR_VENDOR);
 }
 
 void
-gnc_invoice_remind_invoices_due (void)
+gnc_invoice_remind_invoices_due (GtkWindow *parent)
 {
     QofBook *book;
     gint days;
@@ -3448,7 +3448,7 @@ gnc_invoice_remind_invoices_due (void)
     book = qof_session_get_book(gnc_get_current_session());
     days = gnc_prefs_get_float(GNC_PREFS_GROUP_INVOICE, GNC_PREF_DAYS_IN_ADVANCE);
 
-    gnc_invoice_show_bills_due(book, days, DUE_FOR_CUSTOMER);
+    gnc_invoice_show_docs_due (parent, book, days, DUE_FOR_CUSTOMER);
 }
 
 void
@@ -3457,7 +3457,7 @@ gnc_invoice_remind_bills_due_cb (void)
     if (!gnc_prefs_get_bool(GNC_PREFS_GROUP_BILL, GNC_PREF_NOTIFY_WHEN_DUE))
         return;
 
-    gnc_invoice_remind_bills_due();
+    gnc_invoice_remind_bills_due (GTK_WINDOW(gnc_ui_get_main_window (NULL)));
 }
 
 void
@@ -3466,5 +3466,5 @@ gnc_invoice_remind_invoices_due_cb (void)
     if (!gnc_prefs_get_bool(GNC_PREFS_GROUP_INVOICE, GNC_PREF_NOTIFY_WHEN_DUE))
         return;
 
-    gnc_invoice_remind_invoices_due();
+    gnc_invoice_remind_invoices_due (GTK_WINDOW(gnc_ui_get_main_window (NULL)));
 }
diff --git a/gnucash/gnome/gnc-plugin-business.c b/gnucash/gnome/gnc-plugin-business.c
index 366574bd4e..b4fd61dc1f 100644
--- a/gnucash/gnome/gnc-plugin-business.c
+++ b/gnucash/gnome/gnc-plugin-business.c
@@ -800,7 +800,7 @@ gnc_plugin_business_cmd_bills_due_reminder (GtkAction *action,
     g_return_if_fail (mw != NULL);
     g_return_if_fail (GNC_IS_PLUGIN_BUSINESS (mw->data));
 
-    gnc_invoice_remind_bills_due();
+    gnc_invoice_remind_bills_due (GTK_WINDOW (mw->window));
 }
 
 
@@ -811,7 +811,7 @@ gnc_plugin_business_cmd_invoices_due_reminder (GtkAction *action,
     g_return_if_fail (mw != NULL);
     g_return_if_fail (GNC_IS_PLUGIN_BUSINESS (mw->data));
 
-    gnc_invoice_remind_invoices_due();
+    gnc_invoice_remind_invoices_due (GTK_WINDOW (mw->window));
 }
 
 static void
diff --git a/gnucash/gnome/gnc-plugin-business.h b/gnucash/gnome/gnc-plugin-business.h
index 9a0e72c4c6..9ded6cf984 100644
--- a/gnucash/gnome/gnc-plugin-business.h
+++ b/gnucash/gnome/gnc-plugin-business.h
@@ -60,8 +60,8 @@ GncPlugin *gnc_plugin_business_new      (void);
 G_END_DECLS
 
 GncMainWindow *gnc_plugin_business_get_window (void);
-void gnc_invoice_remind_bills_due (void);
-void gnc_invoice_remind_invoices_due (void);
+void gnc_invoice_remind_bills_due (GtkWindow *parent);
+void gnc_invoice_remind_invoices_due (GtkWindow *parent);
 void gnc_invoice_remind_bills_due_cb (void);
 void gnc_invoice_remind_invoices_due_cb (void);
 const char *gnc_plugin_business_get_invoice_printreport(void);