diff --git a/appinfo/info.xml b/appinfo/info.xml
index 9048565..c118417 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -7,7 +7,7 @@
     <description>An app to sync SMS with your cloud</description>
     <licence>agpl</licence>
     <author homepage="https://www.unix-experience.fr">Loic Blot</author>
-    <version>1.99.0</version>
+    <version>1.99.1</version>
     <category>multimedia</category>
     <category>tools</category>
     <dependencies>
diff --git a/db/conversationstatemapper.php b/db/conversationstatemapper.php
index 79781ad..5e48d5f 100644
--- a/db/conversationstatemapper.php
+++ b/db/conversationstatemapper.php
@@ -84,7 +84,7 @@ class ConversationStateMapper extends Mapper {
 		$qb = $this->db->getQueryBuilder();
 		$qb->select('user_id', 'datakey', 'datavalue')
 			->from('ocsms_user_datas')
-			->where($qb->expr()->like('datakey', 'lastReadDate-%'));
+			->where($qb->expr()->like('datakey', $qb->createNamedParameter('lastReadDate-%')));
 
 		$result = $qb->execute();
 		while($row = $result->fetch()) {
@@ -94,7 +94,7 @@ class ConversationStateMapper extends Mapper {
 
 		$qb = $this->db->getQueryBuilder();
 		$qb->delete('ocsms_user_datas')
-			->where($qb->expr()->like('datakey', 'lastReadDate-%'));
+			->where($qb->expr()->like('datakey', $qb->createNamedParameter('lastReadDate-%')));
 		$qb->execute();
 	}
 }