diff --git a/sphinx_proof/translations/locales/es/LC_MESSAGES/proof.mo b/sphinx_proof/translations/locales/es/LC_MESSAGES/proof.mo
index 5d3fbc1..e6c7505 100644
Binary files a/sphinx_proof/translations/locales/es/LC_MESSAGES/proof.mo and b/sphinx_proof/translations/locales/es/LC_MESSAGES/proof.mo differ
diff --git a/sphinx_proof/translations/locales/it/LC_MESSAGES/proof.mo b/sphinx_proof/translations/locales/it/LC_MESSAGES/proof.mo
index e8968d4..1a865d9 100644
Binary files a/sphinx_proof/translations/locales/it/LC_MESSAGES/proof.mo and b/sphinx_proof/translations/locales/it/LC_MESSAGES/proof.mo differ
diff --git a/tests/test_locale_convert.py b/tests/test_locale_convert.py
new file mode 100644
index 0000000..51aa875
--- /dev/null
+++ b/tests/test_locale_convert.py
@@ -0,0 +1,19 @@
+from sphinx_proof.translations._convert import convert_json
+
+
+def test_convert(tmp_path, monkeypatch):
+    # Generate folder structures needed
+    path_translation = tmp_path / "translations"
+    path_jsons = path_translation / "jsons"
+    path_compiled = path_translation / "locales"
+    path_jsons.mkdir(parents=True)
+    (path_jsons / "test.json").write_text(
+        '[{"language":"English","symbol":"en","text":"Text"},'
+        '{"language":"Other","symbol":"ot","text":"Translate"}]'
+    )
+    monkeypatch.setattr("subprocess.check_call", lambda args: None)
+    convert_json(path_translation)
+    assert (path_compiled / "ot").exists()
+    path_lc = path_compiled / "ot" / "LC_MESSAGES"
+    assert (path_lc / "proof.po").exists()
+    assert "Translate" in (path_lc / "proof.po").read_text("utf8")