diff --git a/programs/odbc-bridge/ODBCBlockInputStream.cpp b/programs/odbc-bridge/ODBCBlockInputStream.cpp
index 3cf10171a94..45ab4e51d8f 100644
--- a/programs/odbc-bridge/ODBCBlockInputStream.cpp
+++ b/programs/odbc-bridge/ODBCBlockInputStream.cpp
@@ -149,8 +149,6 @@ void ODBCSource::insertValue(
             DateTime64 time = 0;
             const auto * datetime_type = assert_cast<const DataTypeDateTime64 *>(data_type.get());
             readDateTime64Text(time, datetime_type->getScale(), in, datetime_type->getTimeZone());
-            if (time < 0)
-                time = 0;
             assert_cast<DataTypeDateTime64::ColumnType &>(column).insertValue(time);
             break;
         }
diff --git a/src/Core/PostgreSQL/insertPostgreSQLValue.cpp b/src/Core/PostgreSQL/insertPostgreSQLValue.cpp
index f4d47049554..b51bbafef54 100644
--- a/src/Core/PostgreSQL/insertPostgreSQLValue.cpp
+++ b/src/Core/PostgreSQL/insertPostgreSQLValue.cpp
@@ -108,8 +108,6 @@ void insertPostgreSQLValue(
             ReadBufferFromString in(value);
             DateTime64 time = 0;
             readDateTime64Text(time, 6, in, assert_cast<const DataTypeDateTime64 *>(data_type.get())->getTimeZone());
-            if (time < 0)
-                time = 0;
             assert_cast<DataTypeDateTime64::ColumnType &>(column).insertValue(time);
             break;
         }
diff --git a/tests/integration/test_storage_postgresql/test.py b/tests/integration/test_storage_postgresql/test.py
index 87337a6b459..55be61e052b 100644
--- a/tests/integration/test_storage_postgresql/test.py
+++ b/tests/integration/test_storage_postgresql/test.py
@@ -447,6 +447,16 @@ def test_where_false(started_cluster):
     cursor.execute("DROP TABLE test")
 
 
+def test_datetime64(started_cluster):
+    cursor = started_cluster.postgres_conn.cursor()
+    cursor.execute("drop table if exists test")
+    cursor.execute("create table test (ts timestamp)")
+    cursor.execute("insert into test select '1960-01-01 20:00:00';")
+
+    result = node1.query("select * from postgresql(postgres1, table='test')")
+    assert(result.strip() == '1960-01-01 20:00:00.000000')
+
+
 if __name__ == '__main__':
     cluster.start()
     input("Cluster created, press any key to destroy...")