diff --git a/src/humanize/locale/ar_SA/LC_MESSAGES/humanize.po b/src/humanize/locale/ar/LC_MESSAGES/humanize.po
similarity index 100%
rename from src/humanize/locale/ar_SA/LC_MESSAGES/humanize.po
rename to src/humanize/locale/ar/LC_MESSAGES/humanize.po
diff --git a/tests/test_i18n.py b/tests/test_i18n.py
index e4f30f0..87ce3bb 100644
--- a/tests/test_i18n.py
+++ b/tests/test_i18n.py
@@ -94,6 +94,29 @@ def test_intword_plurals(locale: str, number: int, expected_result: str) -> None
         humanize.i18n.deactivate()
 
 
+@pytest.mark.parametrize(
+    ("locale", "expected_result"),
+    (
+        ("ar", "5خامس"),
+        ("ar_SA", "5خامس"),
+        ("fr", "5e"),
+        ("fr_FR", "5e"),
+        ("pt", "5º"),
+        ("pt_BR", "5º"),
+        ("pt_PT", "5º"),
+    ),
+)
+def test_langauge_codes(locale: str, expected_result: str) -> None:
+    try:
+        humanize.i18n.activate(locale)
+    except FileNotFoundError:
+        pytest.skip("Generate .mo with scripts/generate-translation-binaries.sh")
+    else:
+        assert humanize.ordinal(5) == expected_result
+    finally:
+        humanize.i18n.deactivate()
+
+
 @pytest.mark.parametrize(
     ("locale", "number", "gender", "expected_result"),
     (