diff --git a/TDNL/TDNL.sql b/TDNL/TDNL.sql
index 87faa9089..8ab807cd8 100644
--- a/TDNL/TDNL.sql
+++ b/TDNL/TDNL.sql
@@ -2208,7 +2208,7 @@ AS
      WHERE     l.alg_locatie_key = bv.alg_locatie_key
            AND d.alg_district_key = l.alg_district_key
            AND rg.alg_regio_key=d.alg_regio_key
-           AND bv.alg_gebouw_x IS NOT NULL
+           AND bv.alg_gebouw_x IS NOT NULL;