--- //192.168.1.26/web/html/modules/block/block.admin.inc.bak	Tue Apr 27 13:56:56 2010
+++ //192.168.1.26/web/html/modules/block/block.admin.inc	Tue Apr 27 13:58:07 2010
@@ -146,10 +146,13 @@
  */
 function block_admin_configure(&$form_state, $module = NULL, $delta = 0) {
 
+  global $theme_key;
+  init_theme();
+
   $form['module'] = array('#type' => 'value', '#value' => $module);
   $form['delta'] = array('#type' => 'value', '#value' => $delta);
 
-  $edit = db_fetch_array(db_query("SELECT pages, visibility, custom, title FROM {blocks} WHERE module = '%s' AND delta = '%s'", $module, $delta));
+  $edit = db_fetch_array(db_query("SELECT pages, visibility, custom, title FROM {blocks} WHERE module = '%s' AND delta = '%s' AND theme = '%s'", $module, $delta, $theme_key));
 
 
   $form['block_settings'] = array(