--- citydlg.c.orig	Mon Sep 17 20:51:51 2001
+++ citydlg.c	Mon Sep 17 22:43:38 2001
@@ -588,7 +588,7 @@
 static void create_and_append_overview_page(struct city_dialog *pdialog)
 {
   int i;
-  GtkWidget *halves, *hbox, *vbox, *page;
+  GtkWidget *halves, *hbox, *vbox, *page, *align;
   GtkWidget *frame, *table, *label, *scrolledwin; 
 
   char *improvement_title[] = { N_("City improvements"),
@@ -635,9 +635,13 @@
   gtk_widget_show(frame);
   gtk_box_pack_start(GTK_BOX(hbox), frame, TRUE, FALSE, 0);
 
+  align = gtk_alignment_new (0.5, 0.5, 0, 0);
+  gtk_widget_show(align);
+  gtk_container_add(GTK_CONTAINER(frame), align);
+  
   pdialog->overview.map_canvas = gtk_event_box_new();
   gtk_widget_show(pdialog->overview.map_canvas);
-  gtk_container_add(GTK_CONTAINER(frame), pdialog->overview.map_canvas);
+  gtk_container_add(GTK_CONTAINER(align), pdialog->overview.map_canvas);
   gtk_widget_set_events(pdialog->overview.map_canvas,
                         GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK);