diff --git a/lib/modules/filteReddit.js b/lib/modules/filteReddit.js
index 8127ff8f71..506bd0a1e5 100644
--- a/lib/modules/filteReddit.js
+++ b/lib/modules/filteReddit.js
@@ -505,7 +505,7 @@ module.options = {
 					switch (data.kind) {
 						case 'comment': return thing.isComment();
 						case 'link':    return thing.isSelfPost();
-						case 'self':    return this.isLinkPost();
+						case 'self':    return thing.isLinkPost();
 						default: throw new Error(`unknown post type "${data.kind}"`);
 					}
 				},
@@ -631,7 +631,7 @@ module.options = {
 					'post is marked NSFW',
 				],
 				evaluate(thing) {
-					return thing.classList.contains('over18');
+					return thing.isNSFW();
 				},
 			},
 			loggedInAs: {