diff --git a/src/pilerpurge.c b/src/pilerpurge.c
index d0ef9028..41e2f4b4 100644
--- a/src/pilerpurge.c
+++ b/src/pilerpurge.c
@@ -22,7 +22,7 @@ extern int optind;
 int dryrun = 0;
 
 #define SQL_STMT_DELETE_FROM_META_TABLE "UPDATE `" SQL_METADATA_TABLE "` SET `deleted`=1 WHERE `id` IN ("
-#define SQL_STMT_DELETE_FROM_META_TABLE_BY_PILER_ID "UPDATE `" SQL_METADATA_TABLE "` SET `deleted`=1 WHERE `piler_id` IN ("
+#define SQL_STMT_DELETE_FROM_META_TABLE_BY_PILER_ID "UPDATE `" SQL_METADATA_TABLE "` SET `deleted`=1 WHERE `piler_id` IN ('"
 #define SQL_STMT_SELECT_NON_REFERENCED_ATTACHMENTS "SELECT `piler_id`, `attachment_id`, `i` FROM `" SQL_ATTACHMENTS_VIEW "` WHERE `refcount`=0 AND `piler_id` IN ('"
 #define SQL_STMT_DELETE_FROM_ATTACHMENT_TABLE "DELETE FROM `" SQL_ATTACHMENT_TABLE "` WHERE `id` IN ("