diff --git a/plugin/trino-iceberg/src/main/java/io/trino/plugin/iceberg/IcebergMetadata.java b/plugin/trino-iceberg/src/main/java/io/trino/plugin/iceberg/IcebergMetadata.java
index 65d452344610..60c3ac023c41 100644
--- a/plugin/trino-iceberg/src/main/java/io/trino/plugin/iceberg/IcebergMetadata.java
+++ b/plugin/trino-iceberg/src/main/java/io/trino/plugin/iceberg/IcebergMetadata.java
@@ -1700,8 +1700,8 @@ private Optional<ConnectorTableExecuteHandle> getTableHandleForAddFilesFromTable
         Table icebergTable = catalog.loadTable(session, tableHandle.getSchemaTableName());
 
         checkProcedureArgument(
-                icebergTable.schemas().size() >= sourceTable.getDataColumns().size(),
-                "Target table should have at least %d columns but got %d", sourceTable.getDataColumns().size(), icebergTable.schemas().size());
+                icebergTable.schema().columns().size() >= sourceTable.getDataColumns().size(),
+                "Target table should have at least %d columns but got %d", sourceTable.getDataColumns().size(), icebergTable.schema().columns().size());
         checkProcedureArgument(
                 icebergTable.spec().fields().size() == sourceTable.getPartitionColumns().size(),
                 "Numbers of partition columns should be equivalent. target: %d, source: %d", icebergTable.spec().fields().size(), sourceTable.getPartitionColumns().size());
diff --git a/plugin/trino-iceberg/src/test/java/io/trino/plugin/iceberg/procedure/TestIcebergAddFilesProcedure.java b/plugin/trino-iceberg/src/test/java/io/trino/plugin/iceberg/procedure/TestIcebergAddFilesProcedure.java
index f4550150a91f..f7903b085acb 100644
--- a/plugin/trino-iceberg/src/test/java/io/trino/plugin/iceberg/procedure/TestIcebergAddFilesProcedure.java
+++ b/plugin/trino-iceberg/src/test/java/io/trino/plugin/iceberg/procedure/TestIcebergAddFilesProcedure.java
@@ -124,12 +124,12 @@ private void testAddFilesDifferentFileFormat(String hiveFormat, String icebergFo
         String hiveTableName = "test_add_files_" + randomNameSuffix();
         String icebergTableName = "test_add_files_" + randomNameSuffix();
 
-        assertUpdate("CREATE TABLE iceberg.tpch." + icebergTableName + " WITH (format = '" + icebergFormat + "') AS SELECT 1 x", 1);
-        assertUpdate("CREATE TABLE hive.tpch." + hiveTableName + " WITH (format = '" + hiveFormat + "') AS SELECT 2 x", 1);
+        assertUpdate("CREATE TABLE iceberg.tpch." + icebergTableName + " WITH (format = '" + icebergFormat + "') AS SELECT 1 x, 2 y", 1);
+        assertUpdate("CREATE TABLE hive.tpch." + hiveTableName + " WITH (format = '" + hiveFormat + "') AS SELECT 3 x, 4 y", 1);
 
         assertUpdate("ALTER TABLE " + icebergTableName + " EXECUTE add_files_from_table('tpch', '" + hiveTableName + "')");
 
-        assertQuery("SELECT * FROM " + icebergTableName, "VALUES 1, 2");
+        assertQuery("SELECT * FROM " + icebergTableName, "VALUES (1, 2), (3, 4)");
 
         assertUpdate("DROP TABLE hive.tpch." + hiveTableName);
         assertUpdate("DROP TABLE iceberg.tpch." + icebergTableName);