diff --git a/tests/cli/test_cli_src_directory.py b/tests/cli/test_cli_src_directory.py
new file mode 100644
index 00000000..8570ea18
--- /dev/null
+++ b/tests/cli/test_cli_src_directory.py
@@ -0,0 +1,28 @@
+import shlex
+import shutil
+import subprocess
+from pathlib import Path
+
+import pytest
+from _pytest.tmpdir import TempPathFactory
+
+from tests.utils import run_within_dir
+
+
+@pytest.fixture(scope="session")
+def pep_621_dir_with_src_directory(tmp_path_factory: TempPathFactory) -> Path:
+    tmp_path_proj = tmp_path_factory.getbasetemp() / "project_with_src_directory"
+    shutil.copytree("tests/data/project_with_src_directory", str(tmp_path_proj))
+    with run_within_dir(tmp_path_proj):
+        assert subprocess.check_call(shlex.split("pip install .")) == 0
+    return tmp_path_proj
+
+
+def test_cli_with_src_directory(pep_621_dir_with_src_directory: Path) -> None:
+    with run_within_dir(pep_621_dir_with_src_directory):
+        result = subprocess.run(shlex.split("deptry src"), capture_output=True, text=True)
+        assert result.returncode == 1
+        assert (
+            "The project contains obsolete dependencies:\n\n\tisort\n\tmypy\n\tpytest\n\trequests\n\n" in result.stderr
+        )
+        assert "There are dependencies missing from the project's list of dependencies:\n\n\twhite\n\n" in result.stderr
diff --git a/tests/data/project_with_src_directory/pyproject.toml b/tests/data/project_with_src_directory/pyproject.toml
new file mode 100644
index 00000000..0685665b
--- /dev/null
+++ b/tests/data/project_with_src_directory/pyproject.toml
@@ -0,0 +1,30 @@
+[project]
+# PEP 621 project metadata
+# See https://www.python.org/dev/peps/pep-0621/
+name = "foo"
+version = "1.2.3"
+requires-python = ">=3.7"
+dependencies = [
+    "toml",
+    "urllib3>=1.26.12",
+    "isort>=5.10.1",
+    "click>=8.1.3",
+    "requests>=2.28.1",
+    "pkginfo>=1.8.3",
+]
+
+[project.optional-dependencies]
+dev = [
+    "black==22.10.0",
+    "mypy==0.982",
+]
+test = [
+  "pytest==7.2.0",
+]
+
+[build-system]
+requires = ["setuptools>=61.0.0"]
+build-backend = "setuptools.build_meta"
+
+[tool.deptry]
+ignore_obsolete = ["pkginfo"]
diff --git a/tests/data/project_with_src_directory/src/project_with_src_directory/__init__.py b/tests/data/project_with_src_directory/src/project_with_src_directory/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/data/project_with_src_directory/src/project_with_src_directory/bar.py b/tests/data/project_with_src_directory/src/project_with_src_directory/bar.py
new file mode 100644
index 00000000..dbc1a7b7
--- /dev/null
+++ b/tests/data/project_with_src_directory/src/project_with_src_directory/bar.py
@@ -0,0 +1 @@
+from project_with_src_directory.foo import a_local_method
diff --git a/tests/data/project_with_src_directory/src/project_with_src_directory/foo.py b/tests/data/project_with_src_directory/src/project_with_src_directory/foo.py
new file mode 100644
index 00000000..92f88c21
--- /dev/null
+++ b/tests/data/project_with_src_directory/src/project_with_src_directory/foo.py
@@ -0,0 +1,11 @@
+from os import chdir, walk
+from pathlib import Path
+
+import black
+import click
+import white as w
+from urllib3 import contrib
+
+
+def a_local_method():
+    ...
diff --git a/tests/data/project_with_src_directory/src/project_with_src_directory/notebook.ipynb b/tests/data/project_with_src_directory/src/project_with_src_directory/notebook.ipynb
new file mode 100644
index 00000000..a51bdb9d
--- /dev/null
+++ b/tests/data/project_with_src_directory/src/project_with_src_directory/notebook.ipynb
@@ -0,0 +1,37 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "9f4924ec-2200-4801-9d49-d4833651cbc4",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import click\n",
+    "from urllib3 import contrib\n",
+    "import toml"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.9.11"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}