diff --git a/numcodecs/tests/package_without_entrypoint-0.1.dist-info/entry_points.txt b/numcodecs/tests/package_without_entrypoint-0.1.dist-info/entry_points.txt
new file mode 100644
index 00000000..5a0f5024
--- /dev/null
+++ b/numcodecs/tests/package_without_entrypoint-0.1.dist-info/entry_points.txt
@@ -0,0 +1 @@
+[numcodecs.codecs]
diff --git a/numcodecs/tests/package_without_entrypoint/__init__.py b/numcodecs/tests/package_without_entrypoint/__init__.py
new file mode 100644
index 00000000..e3022c48
--- /dev/null
+++ b/numcodecs/tests/package_without_entrypoint/__init__.py
@@ -0,0 +1 @@
+from numcodecs.abc import Codec
diff --git a/numcodecs/tests/test_entrypoints.py b/numcodecs/tests/test_entrypoints.py
index 43503ec3..f18cb8b7 100644
--- a/numcodecs/tests/test_entrypoints.py
+++ b/numcodecs/tests/test_entrypoints.py
@@ -18,6 +18,11 @@ def set_path():
     numcodecs.registry.codec_registry.pop("test")
 
 
+def test_no_entrypoint_codec():
+    cls = numcodecs.registry.get_codec({"id": "test"})
+    assert cls.codec_id == "test"
+
+
 @pytest.mark.usefixtures("set_path")
 def test_entrypoint_codec():
     cls = numcodecs.registry.get_codec({"id": "test"})