diff --git a/resources/fias_entities.yaml b/resources/fias_entities.yaml
index f1c29a2e..530bc5e0 100644
--- a/resources/fias_entities.yaml
+++ b/resources/fias_entities.yaml
@@ -94,7 +94,7 @@ StructureStatus:
             type: string
             subType: ''
             length: 255
-            isNullable: false
+            isNullable: true
             isPrimary: false
             isIndex: false
             isPartition: false