diff --git a/Blacklight/Movie.php b/Blacklight/Movie.php
index 28ca6b922..4d0ceed50 100755
--- a/Blacklight/Movie.php
+++ b/Blacklight/Movie.php
@@ -307,7 +307,7 @@ class Movie
 			LEFT OUTER JOIN release_nfos rn ON rn.releases_id = r.id
 			LEFT OUTER JOIN dnzb_failures df ON df.release_id = r.id
 			LEFT OUTER JOIN categories c ON c.id = r.categories_id
-			LEFT OUTER JOIN categories cp ON cp.id = c.parentid
+			LEFT OUTER JOIN root_categories cp ON cp.id = c.root_categories_id
 			INNER JOIN movieinfo m ON m.imdbid = r.imdbid
 			WHERE m.imdbid IN (%s)
 			AND r.id IN (%s) %s
diff --git a/Blacklight/Releases.php b/Blacklight/Releases.php
index 5e65481ff..cf94bb8fd 100755
--- a/Blacklight/Releases.php
+++ b/Blacklight/Releases.php
@@ -86,7 +86,7 @@ class Releases extends Release
 				ORDER BY %s %s %s
 			) r
 			LEFT JOIN categories c ON c.id = r.categories_id
-			LEFT JOIN categories cp ON cp.id = c.parentid
+			LEFT JOIN root_categories cp ON cp.id = c.root_categories_id
 			LEFT OUTER JOIN videos v ON r.videos_id = v.id
 			LEFT OUTER JOIN tv_episodes tve ON r.tv_episodes_id = tve.id
 			LEFT OUTER JOIN video_data re ON re.releases_id = r.id
@@ -263,7 +263,7 @@ class Releases extends Release
             ->select(['r.searchname', 'r.guid', 'g.name as gname', DB::raw("CONCAT(cp.title,'_',c.title) AS catName")])
             ->from('releases as r')
             ->leftJoin('categories as c', 'c.id', '=', 'r.categories_id')
-            ->leftJoin('categories as cp', 'cp.id', '=', 'c.parentid')
+            ->leftJoin('categories as cp', 'cp.id', '=', 'c.root_categories_id')
             ->leftJoin('usenet_groups as g', 'g.id', '=', 'r.groups_id');
 
         if ($groupID !== '') {
@@ -398,7 +398,7 @@ class Releases extends Release
 				LEFT OUTER JOIN release_nfos rn ON rn.releases_id = r.id
 				LEFT OUTER JOIN tv_episodes tve ON tve.videos_id = r.videos_id
 				LEFT JOIN categories c ON c.id = r.categories_id
-				LEFT JOIN categories cp ON cp.id = c.parentid
+				LEFT JOIN root_categories cp ON cp.id = c.root_categories_id
 				LEFT OUTER JOIN dnzb_failures df ON df.release_id = r.id
 				WHERE %s %s
 				AND r.nzbstatus = %d
@@ -658,7 +658,7 @@ class Releases extends Release
 			LEFT OUTER JOIN release_nfos rn ON rn.releases_id = r.id
 			LEFT JOIN usenet_groups g ON g.id = r.groups_id
 			LEFT JOIN categories c ON c.id = r.categories_id
-			LEFT JOIN categories cp ON cp.id = c.parentid
+			LEFT JOIN root_categories cp ON cp.id = c.root_categories_id
 			LEFT OUTER JOIN dnzb_failures df ON df.release_id = r.id
 			%s %s",
             $this->getConcatenatedCategoryIDs(),
@@ -741,7 +741,7 @@ class Releases extends Release
 			LEFT JOIN movieinfo m ON m.id = r.movieinfo_id
 			LEFT JOIN usenet_groups g ON g.id = r.groups_id
 			LEFT JOIN categories c ON c.id = r.categories_id
-			LEFT JOIN categories cp ON cp.id = c.parentid
+			LEFT JOIN root_categories cp ON cp.id = c.root_categories_id
 			%s %s",
             $this->getConcatenatedCategoryIDs(),
             ! empty($tags) ? ' LEFT JOIN tagging_tagged tt ON tt.taggable_id = r.id' : '',
@@ -889,7 +889,7 @@ class Releases extends Release
 			LEFT OUTER JOIN tv_info tvi ON v.id = tvi.videos_id
 			LEFT OUTER JOIN tv_episodes tve ON r.tv_episodes_id = tve.id
 			LEFT JOIN categories c ON c.id = r.categories_id
-			LEFT JOIN categories cp ON cp.id = c.parentid
+			LEFT JOIN root_categories cp ON cp.id = c.root_categories_id
 			LEFT JOIN usenet_groups g ON g.id = r.groups_id
 			LEFT OUTER JOIN video_data re ON re.releases_id = r.id
 			LEFT OUTER JOIN release_nfos rn ON rn.releases_id = r.id
@@ -1030,7 +1030,7 @@ class Releases extends Release
 			LEFT OUTER JOIN tv_info tvi ON v.id = tvi.videos_id
 			LEFT OUTER JOIN tv_episodes tve ON r.tv_episodes_id = tve.id
 			LEFT JOIN categories c ON c.id = r.categories_id
-			LEFT JOIN categories cp ON cp.id = c.parentid
+			LEFT JOIN root_categories cp ON cp.id = c.root_categories_id
 			LEFT JOIN usenet_groups g ON g.id = r.groups_id
 			%s %s",
             $this->getConcatenatedCategoryIDs(),
@@ -1102,7 +1102,7 @@ class Releases extends Release
 				re.releases_id AS reid
 			FROM releases r
 			LEFT JOIN categories c ON c.id = r.categories_id
-			LEFT JOIN categories cp ON cp.id = c.parentid
+			LEFT JOIN root_categories cp ON cp.id = c.root_categories_id
 			LEFT JOIN usenet_groups g ON g.id = r.groups_id
 			LEFT OUTER JOIN release_nfos rn ON rn.releases_id = r.id
 			LEFT OUTER JOIN releaseextrafull re ON re.releases_id = r.id
@@ -1182,7 +1182,7 @@ class Releases extends Release
 			LEFT JOIN movieinfo m ON m.id = r.movieinfo_id
 			LEFT JOIN usenet_groups g ON g.id = r.groups_id
 			LEFT JOIN categories c ON c.id = r.categories_id
-			LEFT JOIN categories cp ON cp.id = c.parentid
+			LEFT JOIN root_categories cp ON cp.id = c.root_categories_id
 			LEFT OUTER JOIN release_nfos rn ON rn.releases_id = r.id
 			%s %s",
             $this->getConcatenatedCategoryIDs(),
diff --git a/Blacklight/XXX.php b/Blacklight/XXX.php
index 8c13f731c..ca2a42c72 100755
--- a/Blacklight/XXX.php
+++ b/Blacklight/XXX.php
@@ -192,7 +192,7 @@ class XXX
 			LEFT OUTER JOIN release_nfos rn ON rn.releases_id = r.id
 			LEFT OUTER JOIN dnzb_failures df ON df.release_id = r.id
 			LEFT OUTER JOIN categories c ON c.id = r.categories_id
-			LEFT OUTER JOIN categories cp ON cp.id = c.parentid
+			LEFT OUTER JOIN root_categories cp ON cp.id = c.root_categories_id
 			INNER JOIN xxxinfo xxx ON xxx.id = r.xxxinfo_id
 			WHERE r.nzbstatus = 1
 			AND xxx.id IN (%s)
diff --git a/Blacklight/http/RSS.php b/Blacklight/http/RSS.php
index 1d3d93fdc..c519decff 100755
--- a/Blacklight/http/RSS.php
+++ b/Blacklight/http/RSS.php
@@ -84,7 +84,7 @@ class RSS extends Capabilities
 					%s AS category_ids
 				FROM releases r
 				LEFT JOIN categories c ON c.id = r.categories_id
-				INNER JOIN categories cp ON cp.id = c.parentid
+				INNER JOIN root_categories cp ON cp.id = c.root_categories_id
 				LEFT JOIN usenet_groups g ON g.id = r.groups_id
 				LEFT OUTER JOIN musicinfo mu ON mu.id = r.musicinfo_id
 				LEFT OUTER JOIN genres mug ON mug.id = mu.genres_id
@@ -139,7 +139,7 @@ class RSS extends Capabilities
 					COALESCE(cp.id,0) AS parentid
 				FROM releases r
 				LEFT JOIN categories c ON c.id = r.categories_id
-				INNER JOIN categories cp ON cp.id = c.parentid
+				INNER JOIN root_categories cp ON cp.id = c.root_categories_id
 				LEFT JOIN usenet_groups g ON g.id = r.groups_id
 				LEFT OUTER JOIN videos v ON v.id = r.videos_id
 				LEFT OUTER JOIN tv_episodes tve ON tve.id = r.tv_episodes_id
@@ -203,7 +203,7 @@ class RSS extends Capabilities
 					COALESCE(cp.id,0) AS parentid
 				FROM releases r
 				LEFT JOIN categories c ON c.id = r.categories_id
-				INNER JOIN categories cp ON cp.id = c.parentid
+				INNER JOIN root_categories cp ON cp.id = c.root_categories_id
 				LEFT JOIN usenet_groups g ON g.id = r.groups_id
 				LEFT JOIN movieinfo mi ON mi.id = r.movieinfo_id
 				WHERE %s %s
diff --git a/Blacklight/processing/ProcessReleases.php b/Blacklight/processing/ProcessReleases.php
index d3ba29556..717acebeb 100755
--- a/Blacklight/processing/ProcessReleases.php
+++ b/Blacklight/processing/ProcessReleases.php
@@ -972,8 +972,8 @@ class ProcessReleases
 			SELECT SQL_NO_CACHE c.id AS id,
 			CASE WHEN c.minsizetoformrelease = 0 THEN cp.minsizetoformrelease ELSE c.minsizetoformrelease END AS minsize
 			FROM categories c
-			INNER JOIN categories cp ON cp.id = c.parentid
-			WHERE c.parentid IS NOT NULL'
+			INNER JOIN root_categories cp ON cp.id = c.root_categories_id
+			WHERE c.root_categories_id IS NOT NULL'
         );
 
         foreach ($categories as $category) {
diff --git a/Changelog b/Changelog
index c0489956f..c67da5e51 100755
--- a/Changelog
+++ b/Changelog
@@ -1,4 +1,5 @@
 2019-03-12 DariusIII
+	* Chg: Update queries to use root_categories table
 	* Chg: Update nzb creation process
 	* Chg: Update fixtures and fix migration files
 	* Chg: Add more migrations and changes to categories tables
diff --git a/app/Http/Controllers/Admin/CategoryRegexesController.php b/app/Http/Controllers/Admin/CategoryRegexesController.php
index 1e090d440..e9b5b37d0 100644
--- a/app/Http/Controllers/Admin/CategoryRegexesController.php
+++ b/app/Http/Controllers/Admin/CategoryRegexesController.php
@@ -107,8 +107,8 @@ class CategoryRegexesController extends BasePageController
         $categories_db = Category::query()
             ->select(['c.id', 'c.title', 'cp.title as parent_title'])
             ->from('categories as c')
-            ->join('categories as cp', 'c.parentid', '=', 'cp.id')
-            ->whereNotNull('c.parentid')
+            ->join('categories as cp', 'c.root_categories_id', '=', 'cp.id')
+            ->whereNotNull('c.root_categories_id')
             ->orderBy('c.id')
             ->get();
         $categories = ['category_names', 'category_ids'];
diff --git a/app/Models/Release.php b/app/Models/Release.php
index ed252a720..bda754bcf 100644
--- a/app/Models/Release.php
+++ b/app/Models/Release.php
@@ -453,7 +453,7 @@ class Release extends Model
                 ]
             )
             ->leftJoin('categories as c', 'c.id', '=', 'releases.categories_id')
-            ->leftJoin('categories as cp', 'cp.id', '=', 'c.parentid')
+            ->leftJoin('categories as cp', 'cp.id', '=', 'c.root_categories_id')
             ->orderByDesc('releases.postdate')
             ->paginate(config('nntmux.items_per_page'));
     }
@@ -499,7 +499,7 @@ class Release extends Model
             )
             ->leftJoin('usenet_groups as g', 'g.id', '=', 'releases.groups_id')
             ->leftJoin('categories as c', 'c.id', '=', 'releases.categories_id')
-            ->leftJoin('categories as cp', 'cp.id', '=', 'c.parentid')
+            ->leftJoin('categories as cp', 'cp.id', '=', 'c.root_categories_id')
             ->leftJoin('videos as v', 'v.id', '=', 'releases.videos_id')
             ->leftJoin('tv_info as tvi', 'tvi.videos_id', '=', 'releases.videos_id')
             ->leftJoin('tv_episodes as tve', 'tve.id', '=', 'releases.tv_episodes_id')
@@ -532,7 +532,7 @@ class Release extends Model
             ->select(['name', 'searchname', 'size', 'guid', 'totalpart', 'postdate', 'adddate', 'grabs', 'cp.title as parent_category', 'c.title as sub_category', DB::raw("CONCAT(cp.title, ' > ', c.title) AS category_name")])
             ->rightJoin('dnzb_failures', 'dnzb_failures.release_id', '=', 'releases.id')
             ->leftJoin('categories as c', 'c.id', '=', 'releases.categories_id')
-            ->leftJoin('categories as cp', 'cp.id', '=', 'c.parentid')
+            ->leftJoin('categories as cp', 'cp.id', '=', 'c.root_categories_id')
             ->orderBy('postdate', 'desc');
 
         return $failedList->paginate(config('nntmux.items_per_page'));
diff --git a/misc/update/tmux/monitor.php b/misc/update/tmux/monitor.php
index a0af497e0..3ffcd67ed 100644
--- a/misc/update/tmux/monitor.php
+++ b/misc/update/tmux/monitor.php
@@ -52,7 +52,7 @@ try {
 $runVar['panes'] = $tRun->getListOfPanes($runVar['constants']);
 
 //totals per category in db, results by parentID
-$catcntqry = 'SELECT c.parentid AS parentid, COUNT(r.id) AS count FROM categories c, releases r WHERE r.categories_id = c.id GROUP BY c.parentid';
+$catcntqry = 'SELECT c.root_categories_id AS parentid, COUNT(r.id) AS count FROM categories c, releases r WHERE r.categories_id = c.id GROUP BY c.root_categories_id';
 
 //create timers and set to now
 $runVar['timers']['timer1'] = $runVar['timers']['timer2'] = $runVar['timers']['timer3'] =