diff --git a/test/examples/implicit_namespace_package_with_subpackages/ns1/pkg_implicit_namespace_package_test/pkgA/__init__.py b/test/examples/implicit_namespace_package_with_subpackages/ns1/pkg_implicit_namespace_package_test/pkgA/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/test/examples/implicit_namespace_package_with_subpackages/ns2/pkg/pkgB/__init__.py b/test/examples/implicit_namespace_package_with_subpackages/ns2/pkg/pkgB/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/test/test_api/test_interpreter.py b/test/test_api/test_interpreter.py
index 1aa027bf..8102d337 100644
--- a/test/test_api/test_interpreter.py
+++ b/test/test_api/test_interpreter.py
@@ -9,8 +9,10 @@ import pytest
 
 import jedi
 import jedi.settings
+from jedi import Project
 from jedi.inference.compiled import mixed
 from importlib import import_module
+from test.helpers import get_example_dir
 
 
 class _GlobalNameSpace:
@@ -591,6 +593,23 @@ def test_dict_completion(code, column, expected):
     assert [c.complete for c in comps] == expected
 
 
+def test_implicit_namespace_package_with_subpackages(monkeypatch):
+    sys_path_dir1 = get_example_dir('implicit_namespace_package_with_subpackages', 'ns1')
+    sys_path_dir2 = get_example_dir('implicit_namespace_package_with_subpackages', 'ns2')
+    monkeypatch.syspath_prepend(sys_path_dir1)
+    monkeypatch.syspath_prepend(sys_path_dir2)
+
+    import pkg_implicit_namespace_package_test
+    interpreter = jedi.Interpreter(
+        "pkg_implicit_namespace_package_test.",
+        namespaces=[locals()],
+        project=Project('.')
+    )
+    comps = interpreter.complete()
+    expected = ["pkgA", "pkgB"]
+    assert [c.complete for c in comps] == expected
+
+
 @pytest.mark.parametrize(
     'code, types', [
         ('dct[1]', ['int']),