diff --git a/tests/test_markitdown.py b/tests/test_markitdown.py
index a8bac77..5be2063 100644
--- a/tests/test_markitdown.py
+++ b/tests/test_markitdown.py
@@ -139,6 +139,12 @@ def test_markitdown_local() -> None:
         text_content = result.text_content.replace("\\", "")
         assert test_string in text_content
 
+    # Test DOC processing
+    result = markitdown.convert(os.path.join(TEST_FILES_DIR, "test.doc"))
+    for test_string in DOC_TEST_STRINGS:
+        text_content = result.text_content.replace("\\", "")
+        assert test_string in text_content
+
     # Test PPTX processing
     result = markitdown.convert(os.path.join(TEST_FILES_DIR, "test.pptx"))
     for test_string in PPTX_TEST_STRINGS: