diff --git a/scripts/workorder-mph-create-from-hausnummer.php b/scripts/workorder-mph-create-from-hausnummer.php
index 21f0df667..0d504e812 100644
--- a/scripts/workorder-mph-create-from-hausnummer.php
+++ b/scripts/workorder-mph-create-from-hausnummer.php
@@ -29,8 +29,8 @@ $sql = "
     SELECT hn.id, hn.netzgebiet_id, COUNT(we.id) as we_count
     FROM Hausnummer hn
     LEFT JOIN Wohneinheit we ON hn.id = we.hausnummer_id
-    WHERE hn.rimo_ex_state NOT IN ('grossplaning', 'not2connect')
-      AND hn.rimo_op_state NOT IN ('grossplaning', 'not2connect')
+    WHERE COALESCE(hn.rimo_ex_state, '') NOT IN ('grossplaning', 'not2connect')
+      AND COALESCE(hn.rimo_op_state, '') NOT IN ('grossplaning', 'not2connect')
       $netzgebietFilter
     GROUP BY hn.id
     HAVING we_count > 2