diff --git a/release/sites/Danbooru (2.0)/model.ts b/release/sites/Danbooru (2.0)/model.ts
index 803660f73..ad4576a28 100644
--- a/release/sites/Danbooru (2.0)/model.ts	
+++ b/release/sites/Danbooru (2.0)/model.ts	
@@ -257,7 +257,7 @@ export const source: ISource = {
                 },
                 parse: (src: string): IParsedSearch => {
                     let wiki = Grabber.regexToConst("wiki", '<div id="excerpt"(?:[^>]+)>(?<wiki>.+?)</div>', src);
-                    wiki = wiki.replace(/href="\/wiki_pages\/show_or_new\?title=([^"]+)"/g, 'href="$1"');
+                    wiki = wiki ? wiki.replace(/href="\/wiki_pages\/show_or_new\?title=([^"]+)"/g, 'href="$1"') : wiki;
                     return {
                         tags: Grabber.regexToTags('<li class="category-(?<typeId>[^"]+)">(?:\\s*<a class="wiki-link" href="[^"]+">\\?</a>)?(?:\\s*<a[^>]* class="search-inc-tag">[^<]+</a>\\s*<a[^>]* class="search-exl-tag">[^<]+</a>)?\\s*<a class="search-tag"\\s+[^>]*href="[^"]+"[^>]*>(?<name>[^<]+)</a>\\s*<span class="post-count">(?<count>[^<]+)</span>\\s*</li>', src),
                         images: Grabber.regexToImages('<article[^>]* id="[^"]*" class="[^"]*"\\s+data-id="(?<id>[^"]*)"\\s+data-has-sound="[^"]*"\\s+data-tags="(?<tags>[^"]*)"\\s+data-pools="(?<pools>[^"]*)"(?:\\s+data-uploader="(?<author>[^"]*)")?\\s+data-approver-id="(?<approver>[^"]*)"\\s+data-rating="(?<rating>[^"]*)"\\s+data-width="(?<width>[^"]*)"\\s+data-height="(?<height>[^"]*)"\\s+data-flags="(?<flags>[^"]*)"\\s+data-parent-id="(?<parent_id>[^"]*)"\\s+data-has-children="(?<has_children>[^"]*)"\\s+data-score="(?<score>[^"]*)"\\s+data-views="[^"]*"\\s+data-fav-count="(?<fav_count>[^"]*)"\\s+data-pixiv-id="[^"]*"\\s+data-file-ext="(?<ext>[^"]*)"\\s+data-source="(?<source>[^"]*)"\\s+data-top-tagger="[^"]*"\\s+data-uploader-id="[^"]*"\\s+data-normalized-source="[^"]*"\\s+data-is-favorited="[^"]*"\\s+data-md5="(?<md5>[^"]*)"\\s+data-file-url="(?<file_url>[^"]*)"\\s+data-large-file-url="(?<sample_url>[^"]*)"\\s+data-preview-file-url="(?<preview_url>[^"]*)"', src).map(completeImage),
diff --git a/release/sites/Danbooru/model.ts b/release/sites/Danbooru/model.ts
index 642dcabd2..e445fd0de 100644
--- a/release/sites/Danbooru/model.ts
+++ b/release/sites/Danbooru/model.ts
@@ -189,7 +189,7 @@ export const source: ISource = {
                 },
                 parse: (src: string): IParsedSearch => {
                     let wiki = Grabber.regexToConst("wiki", '<div id="sidebar-wiki"(?:[^>]+)>(?<wiki>.+?)</div>', src);
-                    wiki = wiki.replace(/href="\/wiki\/show\?title=([^"]+)"/g, 'href="$1"');
+                    wiki = wiki ? wiki.replace(/href="\/wiki\/show\?title=([^"]+)"/g, 'href="$1"') : wiki;
                     return {
                         images: Grabber.regexToImages("Post\\.register\\((?<json>\\{.+?\\})\\);?", src).map(completeImage),
                         tags: Grabber.regexToTags('<li class="?[^">]*tag-type-(?<type>[^">]+)(?:|"[^>]*)>.*?<a href="[^"]+"[^>]*>(?<name>[^<\\?]+)</a>.*?<span class="?post-count"?>(?<count>\\d+)</span>.*?</li>', src),
diff --git a/release/sites/Sankaku/model.ts b/release/sites/Sankaku/model.ts
index 1cb9d42f1..109adb439 100644
--- a/release/sites/Sankaku/model.ts
+++ b/release/sites/Sankaku/model.ts
@@ -86,7 +86,7 @@ export const source: ISource = {
                     const searchImageCounts = Grabber.regexMatches('class="?tag-(?:count|type-none)"? title="Post Count: (?<count>[0-9,]+)"', src);
                     const lastPage = Grabber.regexToConst("page", '<span class="?current"?>\\s*(?<page>[0-9,]+)\\s*</span>\\s*>>\\s*</div>', src);
                     let wiki = Grabber.regexToConst("wiki", '<div id="?wiki-excerpt"?[^>]*>(?<wiki>.+?)</div>', src);
-                    wiki = wiki.replace(/href="\/wiki\/show\?title=([^"]+)"/g, 'href="$1"');
+                    wiki = wiki ? wiki.replace(/href="\/wiki\/show\?title=([^"]+)"/g, 'href="$1"') : undefined;
                     return {
                         tags: Grabber.regexToTags('<li class="?[^">]*tag-type-(?<type>[^">]+)(?:|"[^>]*)>.*?<a href="[^"]+"[^>]*>(?<name>[^<\\?]+)</a>.*?<span class="?post-count"?>(?<count>\\d+)</span>.*?</li>', src),
                         images: Grabber.regexToImages('<span[^>]* id="?p(?<id>\\d+)"?><a[^>]*><img[^>]* src="(?<preview_url>[^"]+/preview/\\w{2}/\\w{2}/(?<md5>[^.]+)\\.[^"]+|[^"]+/download-preview.png)" title="(?<tags>[^"]+)"[^>]+></a></span>', src).map(completeImage),