diff --git a/src/yaml_to_markdown/md_converter_test.py b/src/yaml_to_markdown/md_converter_test.py
index 222189a..d16efc2 100644
--- a/src/yaml_to_markdown/md_converter_test.py
+++ b/src/yaml_to_markdown/md_converter_test.py
@@ -35,6 +35,25 @@ def test_process_list(self) -> None:
 | Section1 |
 | --- |
 | data1 |
+"""
+        )
+
+    def test_process_list_of_list(self) -> None:
+        output_writer = StringIO()
+        md_converter = MDConverter()
+        data = [["list1 data1", "list1 data2"], ["list2 data1", "list2 data2"]]
+
+        md_converter.convert(data, output_writer)
+        output = output_writer.getvalue()
+
+        assert (
+            output
+            == """##
+* list1 data1
+* list1 data2
+* list2 data1
+* list2 data2
+
 """
         )