diff --git a/tests/test_convert.py b/tests/test_convert.py
index 31a9d28..ab0e1e9 100644
--- a/tests/test_convert.py
+++ b/tests/test_convert.py
@@ -137,3 +137,12 @@ def test_convert_multi_exception(fresh_db):
     table.insert({"title": "Mixed Case"})
     with pytest.raises(BadMultiValues):
         table.convert("title", lambda v: v.upper(), multi=True)
+
+
+def test_convert_repeated(fresh_db):
+    table = fresh_db["table"]
+    col = "num"
+    table.insert({col: 1})
+    table.convert(col, lambda x: x*2)
+    table.convert(col, lambda _x: 0)
+    assert table.get(1) == {col: 0}