diff --git a/seatunnel-connectors-v2/connector-paimon/src/main/java/org/apache/seatunnel/connectors/seatunnel/paimon/catalog/PaimonCatalog.java b/seatunnel-connectors-v2/connector-paimon/src/main/java/org/apache/seatunnel/connectors/seatunnel/paimon/catalog/PaimonCatalog.java
index 2c9fcd6f8289..d896e0153986 100644
--- a/seatunnel-connectors-v2/connector-paimon/src/main/java/org/apache/seatunnel/connectors/seatunnel/paimon/catalog/PaimonCatalog.java
+++ b/seatunnel-connectors-v2/connector-paimon/src/main/java/org/apache/seatunnel/connectors/seatunnel/paimon/catalog/PaimonCatalog.java
@@ -222,7 +222,8 @@ private CatalogTable toCatalogTable(
                             BasicTypeDefine.<DataType>builder()
                                     .name(dataField.name())
                                     .comment(dataField.description())
-                                    .nativeType(dataField.type());
+                                    .nativeType(dataField.type())
+                                    .nullable(dataField.type().isNullable());
                     Column column = SchemaUtil.toSeaTunnelType(typeDefineBuilder.build());
                     builder.column(column);
                 });