diff --git a/lib/private/Collaboration/Resources/Manager.php b/lib/private/Collaboration/Resources/Manager.php
index bfe95a74514fad3978e55c95572f46cad26d4420..fe5af94ab072bc2084eaebc80d108cb917fa2c4a 100644
--- a/lib/private/Collaboration/Resources/Manager.php
+++ b/lib/private/Collaboration/Resources/Manager.php
@@ -411,7 +411,7 @@ class Manager implements IManager {
 				'user_id' => $query->createNamedParameter($userId),
 				'resource_id' => $query->createNamedParameter($resource->getId()),
 				'resource_type' => $query->createNamedParameter($resource->getType()),
-				'access' => $query->createNamedParameter($access),
+				'access' => $query->createNamedParameter($access, IQueryBuilder::PARAM_BOOL),
 			]);
 		try {
 			$query->execute();