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-rw-r--r--src/charon/plugins/sql/pool.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/charon/plugins/sql/pool.c b/src/charon/plugins/sql/pool.c
index 136c7e16f..709c18c12 100644
--- a/src/charon/plugins/sql/pool.c
+++ b/src/charon/plugins/sql/pool.c
@@ -308,7 +308,7 @@ static void purge(char *name)
{
purged = db->execute(db, NULL,
"DELETE FROM leases WHERE pool = ? "
- "AND released NOTNULL AND released < ?",
+ "AND released IS NOT NULL AND released < ?",
DB_UINT, id, DB_UINT, time(NULL) - timeout);
}
query->destroy(query);