diff --git a/main/install/dokeos_main.sql b/main/install/dokeos_main.sql
index 94ef296464..afce2ce6c0 100644
--- a/main/install/dokeos_main.sql
+++ b/main/install/dokeos_main.sql
@@ -459,7 +459,7 @@ INSERT INTO `settings_current` VALUES
 (48,'display_coursecode_in_courselist',NULL,'radio','Platform','true','DisplayCourseCodeInCourselistTitle','DisplayCourseCodeInCourselistComment',NULL,NULL),
 (49,'display_teacher_in_courselist',NULL,'radio','Platform','true','DisplayTeacherInCourselistTitle','DisplayTeacherInCourselistComment',NULL,NULL),
 (50,'use_document_title',NULL,'radio','Tools','false','UseDocumentTitleTitle','UseDocumentTitleComment',NULL,NULL),
-(51,'permanently_remove_deleted_files','NULL','radio','Tools','false','PermanentlyRemoveFilesTitle','PermanentlyRemoveFilesComment',NULL,NULL),
+(51,'permanently_remove_deleted_files',NULL,'radio','Tools','false','PermanentlyRemoveFilesTitle','PermanentlyRemoveFilesComment',NULL,NULL),
 (52,'dropbox_allow_overwrite',NULL,'radio','Tools','true','DropboxAllowOverwriteTitle','DropboxAllowOverwriteComment',NULL,NULL),
 (53,'dropbox_max_filesize',NULL,'textfield','Tools','100000000','DropboxMaxFilesizeTitle','DropboxMaxFilesizeComment',NULL,NULL),
 (54,'dropbox_allow_just_upload',NULL,'radio','Tools','true','DropboxAllowJustUploadTitle','DropboxAllowJustUploadComment',NULL,NULL),