diff --git a/catfish/project/cli.py b/catfish/project/cli.py
index 6ee46dc..f065268 100644
--- a/catfish/project/cli.py
+++ b/catfish/project/cli.py
@@ -4,6 +4,8 @@ import subprocess
 
 import click
 
+from catfish.utils.sockets import socket_has_data
+
 from . import Project
 
 
@@ -18,9 +20,15 @@ def project():
 def run(ctx, command):
     command = " ".join(command)
     project = Project(os.getcwd())
-    proc = subprocess.run(
+    proc = subprocess.Popen(
         shlex.split(command),
         env={**os.environ, **project.get_environment()},
-        shell=True
+        stdout=subprocess.PIPE,
     )
+    while proc.poll() is None:
+        while socket_has_data(proc.stdout):
+            line = proc.stdout.readline()
+            if not line:
+                break
+            click.echo(line, nl=False)
     return ctx.exit(proc.returncode)
diff --git a/tests/__init__.py b/tests/__init__.py
index bfbe8df..20d37cc 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -2,8 +2,8 @@ import functools
 import os
 import subprocess
 import time
-from pathlib import Path
 from contextlib import contextmanager
+from pathlib import Path
 from unittest import TestCase
 
 import psutil
diff --git a/tests/test_project/test_cli.py b/tests/test_project/test_cli.py
index 874e729..ae66f98 100644
--- a/tests/test_project/test_cli.py
+++ b/tests/test_project/test_cli.py
@@ -1,7 +1,10 @@
-from tests import BaseTestCase
-from catfish.project import Project
+from io import StringIO
+
 from dotenv import dotenv_values
 
+from catfish.project import Project
+from tests import BaseTestCase
+
 
 class ProjectRunCLITestCase(BaseTestCase):
     def setUp(self):
@@ -10,7 +13,12 @@ class ProjectRunCLITestCase(BaseTestCase):
 
     def test_sets_environment(self):
         with self.in_example_dir():
-            result = self.run_cli(["project", "run", "env"])
-            print(result)
-            self.assertEqual(result.exit_code, 0)
-        environment = dotenv_values(result.stdout)
+            result = self.run_cli(["project", "run", "env"], catch_exceptions=False)
+        self.assertEqual(result.exit_code, 0)
+        env = dotenv_values(stream=StringIO(result.stdout))
+        self.assertEqual(env["FOO"], "bar")
+        self.assertEqual(env["PYTHONUNBUFFERED"], "1")
+        self.assertIsNone(env.get("CATFISH_IDENT"))
+        self.assertIn(str(self.project.root), env["PATH"])
+        for path in self.project.get_extra_path():
+            self.assertIn(str(path), env["PATH"])