Index: nodeformsettings.module
===================================================================
--- nodeformsettings.module	(revision 320)
+++ nodeformsettings.module	(working copy)
@@ -96,8 +96,8 @@
 		$form['#submit'][] = 'nodeformsettings_settings_submit';
 	}
 	
-	// On node form
-	if(isset($form['type']) && isset($form['#node']) && $form['type']['#value'] . '_node_form' == $form_id) {
+	// On node form (but not the node type admin form)
+	if(isset($form['type']) && isset($form['#node']) && $form['type']['#value'] . '_node_form' == $form_id && arg(0) != 'admin') {
 		$node = $form['#node'];
 		// get the path to the includes dir
 		$path = drupal_get_path("module", "nodeformsettings") . '/includes/';