diff --git a/SeedDMS_SQLiteFTS/SQLiteFTS/IndexedDocument.php b/SeedDMS_SQLiteFTS/SQLiteFTS/IndexedDocument.php
index 6ab17c461..1bb3a32f0 100644
--- a/SeedDMS_SQLiteFTS/SQLiteFTS/IndexedDocument.php
+++ b/SeedDMS_SQLiteFTS/SQLiteFTS/IndexedDocument.php
@@ -169,7 +169,7 @@ class SeedDMS_SQLiteFTS_IndexedDocument extends SeedDMS_SQLiteFTS_Document {
 				foreach($categories as $cat) {
 					$names[] = $cat->getName();
 				}
-				$this->addField(SeedDMS_SQLiteFTS_Field::Text('category', implode(' ', $names)));
+				$this->addField(SeedDMS_SQLiteFTS_Field::Text('category', implode('#', $names)));
 			}
 			if($keywords = $document->getKeywords()) {
 				$this->addField(SeedDMS_SQLiteFTS_Field::Text('keywords', $keywords));
diff --git a/SeedDMS_SQLiteFTS/SQLiteFTS/Indexer.php b/SeedDMS_SQLiteFTS/SQLiteFTS/Indexer.php
index ed86ce32e..addb700ea 100644
--- a/SeedDMS_SQLiteFTS/SQLiteFTS/Indexer.php
+++ b/SeedDMS_SQLiteFTS/SQLiteFTS/Indexer.php
@@ -238,7 +238,7 @@ class SeedDMS_SQLiteFTS_Indexer {
 			foreach($res as $row) {
 				if($row[$facetname] && $row['c']) {
 					if($facetname == 'category') {
-						$tmp = explode(' ', $row[$facetname]);
+						$tmp = explode('#', $row[$facetname]);
 						if(count($tmp) > 1) {
 							foreach($tmp as $t) {
 								if(!isset($facets[$facetname][$t]))