--- flexifield-OLD.module	2009-07-08 09:19:16.000000000 +1000
+++ flexifield.module	2009-09-03 10:51:06.000000000 +1000
@@ -97,12 +97,17 @@ function flexifield_field_settings($sOpe
     // The settings form for the field
     case 'form':
       $aSettingsForm = array();
+
+      // Get all content types except the current one (to stop a script loop)
+      $content_types = node_get_types('names');
+      unset($content_types[$aFieldSettings['type_name']]);
+
       $aSettingsForm['item_types'] = array(
         '#type' => 'checkboxes',
         '#title' => t('Content types that can be used as field items'),
         '#multiple' => TRUE,
         '#default_value' => is_array($aFieldSettings['item_types']) ? $aFieldSettings['item_types'] : array(),
-        '#options' => node_get_types('names'),
+        '#options' => $content_types,
       );
       return $aSettingsForm;
     break;
@@ -675,4 +680,4 @@ function template_preprocess_flexifield_
       }
     }
   }
-}
\ No newline at end of file
+}