--- node_invite.module	Tue Jan 20 22:23:14 2009
+++ node_invite.module.new	Mon May 25 09:31:12 2009
@@ -751,7 +751,7 @@ function node_invitation_form_submit( $f
 			$replaced_message = token_replace( $new_default_message, 'node', $node );
 			$replaced_message .= "\n<BR>" . $form_values['ni_personal_message'];
 			$subj = token_replace( 
-				variable_get('ni_subject-default',"[inviter-name] at [site-name] has invited you to a [type] called [title]!")
+				variable_get('ni_subject_default',"[inviter-name] at [site-name] has invited you to a [type] called [title]!")
 				,'node'
 				,$node 
 			);