diff --git a/apps/files_sharing/lib/SharesReminderJob.php b/apps/files_sharing/lib/SharesReminderJob.php
index 9682f7fc77025..6780ee77fe3f3 100644
--- a/apps/files_sharing/lib/SharesReminderJob.php
+++ b/apps/files_sharing/lib/SharesReminderJob.php
@@ -89,8 +89,8 @@ private function getShares(): array|\Iterator {
 						$qb->expr()->eq('s.share_type', $qb->expr()->literal(IShare::TYPE_EMAIL))
 					),
 					$qb->expr()->eq('s.item_type', $qb->expr()->literal('folder')),
-					$qb->expr()->gte('s.expiration', $qb->createNamedParameter($minDate->format('Y-m-d H:i:s'))),
-					$qb->expr()->lt('s.expiration', $qb->createNamedParameter($maxDate->format('Y-m-d H:i:s'))),
+					$qb->expr()->gte('s.expiration', $qb->createNamedParameter($minDate, IQueryBuilder::PARAM_DATE)),
+					$qb->expr()->lte('s.expiration', $qb->createNamedParameter($maxDate, IQueryBuilder::PARAM_DATE)),
 					$qb->expr()->eq('s.reminder_sent', $qb->createNamedParameter(
 						false, IQueryBuilder::PARAM_BOOL
 					)),
diff --git a/lib/private/Files/Cache/SearchBuilder.php b/lib/private/Files/Cache/SearchBuilder.php
index 748844b9e1b3e..41f942cab039f 100644
--- a/lib/private/Files/Cache/SearchBuilder.php
+++ b/lib/private/Files/Cache/SearchBuilder.php
@@ -64,7 +64,7 @@ class SearchBuilder {
 		'owner' => 'string',
 	];
 
-	/** @var array<string, int> */
+	/** @var array<string, int|string> */
 	protected static $paramTypeMap = [
 		'string' => IQueryBuilder::PARAM_STR,
 		'integer' => IQueryBuilder::PARAM_INT,
diff --git a/lib/public/DB/QueryBuilder/IQueryBuilder.php b/lib/public/DB/QueryBuilder/IQueryBuilder.php
index a965e0b5390ec..72b2ccbecffe0 100644
--- a/lib/public/DB/QueryBuilder/IQueryBuilder.php
+++ b/lib/public/DB/QueryBuilder/IQueryBuilder.php
@@ -10,6 +10,7 @@
 use Doctrine\DBAL\ArrayParameterType;
 use Doctrine\DBAL\Connection;
 use Doctrine\DBAL\ParameterType;
+use Doctrine\DBAL\Types\Types;
 use OCP\DB\Exception;
 use OCP\DB\IResult;
 use OCP\IDBConnection;
@@ -28,7 +29,7 @@ interface IQueryBuilder {
 	/**
 	 * @since 9.0.0
 	 */
-	public const PARAM_BOOL = ParameterType::BOOLEAN;
+	public const PARAM_BOOL = Types::BOOLEAN;
 	/**
 	 * @since 9.0.0
 	 */