diff --git a/lib/Service/TableService.php b/lib/Service/TableService.php
index 55ad1c64b..2c3bb2884 100644
--- a/lib/Service/TableService.php
+++ b/lib/Service/TableService.php
@@ -122,7 +122,7 @@ public function findAll(?string $userId = null, bool $skipTableEnhancement = fal
 
 			// clean duplicates
 			foreach ($sharedTables as $sharedTable) {
-				if (isset($allTables[$sharedTable->getId()])) {
+				if (!isset($allTables[$sharedTable->getId()])) {
 					$allTables[$sharedTable->getId()] = $sharedTable;
 				}
 			}