diff --git a/dcos_test_utils/dcos_cli.py b/dcos_test_utils/dcos_cli.py
index 3335bb2..0da47d1 100644
--- a/dcos_test_utils/dcos_cli.py
+++ b/dcos_test_utils/dcos_cli.py
@@ -101,8 +101,8 @@ def exec_command(self, cmd: str, stdin=None) -> tuple:
         :type cmd: str
         :param stdin: File to use for stdin
         :type stdin: File
-        :returns: A tuple with stdout and stderr
-        :rtype: (str, str)
+        :returns: A tuple with stdout, stderr and returncode
+        :rtype: (str, str, int)
         """
 
         log.info('CMD: {!r}'.format(cmd))
@@ -126,7 +126,7 @@ def exec_command(self, cmd: str, stdin=None) -> tuple:
         log.info('STDOUT: {}'.format(stdout))
         log.info('STDERR: {}'.format(stderr))
 
-        return (stdout, stderr)
+        return (stdout, stderr, process.returncode)
 
     def setup_enterprise(
         self,
diff --git a/tests/test_dcos_cli.py b/tests/test_dcos_cli.py
index f6440b9..e851a21 100644
--- a/tests/test_dcos_cli.py
+++ b/tests/test_dcos_cli.py
@@ -6,7 +6,7 @@
 
 def test_exec_command(caplog):
     cli = dcos_cli.DcosCli('')
-    stdout, stderr = cli.exec_command(
+    stdout, stderr, returncode = cli.exec_command(
         ['/bin/sh', '-c', 'echo "hello, world!"']
     )
     assert stdout == 'hello, world!\n'
@@ -14,11 +14,14 @@ def test_exec_command(caplog):
     assert any(rec.message.startswith('CMD:') for rec in caplog.records)
     assert any(rec.message.startswith('STDOUT:') for rec in caplog.records)
     assert any(rec.message.startswith('STDERR:') for rec in caplog.records)
+    assert returncode == 0
 
 
 def test_exec_command_fail(caplog):
     cli = dcos_cli.DcosCli('')
     with pytest.raises(subprocess.CalledProcessError):
-        cli.exec_command(['/bin/sh', '-c', 'does-not-exist'])
+        _stdout, _stderr, returncode = cli.exec_command(['/bin/sh', '-c', 'does-not-exist'])
+        assert returncode != 0
+
     assert any(rec.message.startswith('CMD:') for rec in caplog.records)
     assert any(rec.message.startswith('STDERR:') for rec in caplog.records)